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I remember him very well. My wife was diagnosed with Takayasu back in 2012. We found our self’s sat in his office a few weeks later. Still not understanding what she had and very worried. He came in and was very warm and reassuring. You could see the passion in his eyes in wanting to find out everything he could in regards to my wife’s symptoms and family history. We came away from that meeting in a must better place. A truly great doctor. My wife sadly passed in 2019. We were living in LA at the time. I contacted him to let him know and asked him if he wanted the medical records from LA. He was very sad to hear the news and asked to look over the records. He also said something that really helped me in that time. After my wife’s diagnosis, she would go up to the hospital now and then for the weekend to let them run tests and so on. He said that because of my wife they have got a better understanding of the disease and that her help will help people in the future. She has left a legacy. I can’t tell you how thankful I was to hear this. I only emailed him this morning to touch base with him. I like to keep up with the latest research as I have a daughter. The email bounced back to me so I thought maybe he had moved or something. So I looked him up on google only to find the sad news. Well. Professor Mason.  Thank you for making a young couple or were very scared, feel more at ease. You were great. Much love. James Rushent.

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I attended my usual out patients on Tuesday 8th May 2023 and I was completely in shock to hear that Professor Mason had died in May last year. I was in his clinic in March. So he died just 2 months after I saw him. He has been looking after me since 2003 with my fibromyalgia and Sjorgrens.Syndrome. He was no nice and pleasant and friendly and he really cared. If he noticed a change in my condition hr would send me straight for all tests until he found out what was wrong. He never rushed you and would take as much time as needed. A wonderful man and I’m very grateful to him for looking after me so well for 20 years. RIP Professor Mason. You are much missed.

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He looked after my late wife for many years, treating her for Taka Yaku such a great loss for his family, and all of us

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He looked after my late wife for many years, treating her for Taka Yaku such a great loss for his family, and all of us

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R.I.P. you will so sadly missed always had a reassuring smile God bless 🙏💔🙏

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It has taken me a while to start writing this as I only recently found out that Professor Justin Mason has died. I came as a total shock and i immediately became very emotional. He had been my specialist for my SLE for many years now. I always looked forward to see him whenever had an appointment. He always had a pleasant smile on his face making me feel welcome and comfortable at every appointment. He is genuinely the most wonderful person I’ve ever met. He always asked after my family and did really care for them too. I am so grateful for all that he did for me. He will be truly missed. I send my deepest condolences to his family, friends and colleagues. May he rest in peace.

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It was a privilege to have known Justin as a colleague and a friend. We co-organised a number of scientific symposia. He had a warm and caring personality, and was blessed with his academic and clinical talent. My condolences to his family. Rest in peace Justin - you will be greatly missed

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I feel so honoured and privileged to have known Justin as a colleague and academic friend.  Justin served on the Council of the European Vascular Biology Organisation during my term of office as President of the group,  where he acted as one of three medal and awards coordinators.  He contributed so generously with his time and dedication to this role, provided  insightful academic and clinical input and was always fair and kind in his judgement, recognising the effort invested by the young investigators, who submitted their abstracts and applications.   I also have  memorable experiences of his examination duties for clinical and scientific PhD students, who all suggested an unforgettable occasion, recognising they were  fortunate to have such a kind and experienced examiner who put them so much at ease, and discussed their project with friendly but scholarly enthusiasm.  Justin was a delight to meet  at so many vascular biology conferences, where his gentle and personable nature, mixed with his clinical acumen and academic inquisitiveness made him a sought after colleague for discussion and mentor for so many young clinical and life scientists.  The field has lost one of a kind, a true gentleman, with an unassuming but colossal  breadth of knowledge.  I can only imagine the sadness that Justin’s premature and untimely death has brought to his family,  close friends and all who had the privilege of knowing him, to whom I send my deepest and sincere condolences and heartfelt sympathy.  Goodbye Justin. RIP.

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I was so saddened to hear of Justin’s passing. I had the privilege  of working with him for several years at the Hammersmith, first as fellow research fellows and later as clinical colleagues with me as his junior. One could not wish for a better colleague. He was always there with advice and support and in later years as my “ go to guy” when I had a difficult case of vasculitis I needed some advice on. His excellent clinical skill and acumen was matched by a wonderful personality and demeanour. He was truly an all round great guy and will be sorely missed

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It was an absolute privilege to have known Justin.  He was a man of great intellect and a brilliant and compassionate clinician scientist. His integrity and humanity set him apart and his kindness and warmth touched all those that came across him.  Conversations with him were always engaging, often with a cheeky sense of humour. He will be greatly missed.  My heartfelt condolences to his family and loved ones.

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Justin was an absolutely brilliant clinician scientist and the most humble academic I have known. Our paths crossed over many years on grant panels and charity events and Justin has been a fantastic collaborator in more recent years. I have learnt so much from his wise words, clinical knowledge and seeing how he excelled in clinical and basic science. His passion for improvement in clinical care for his patients was outstanding and his knowledge will be missed enormously by the vasculitis community. Justin was  fantastic at supporting the next generation, knowing when to step into the background and let them flourish as leaders. I will miss his wise words and wry smile and the Vasculitis community have lost a truly inspirational leader. My thoughts go out to his family and friends. Rest in Pease Justin

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My body could not take it in when I heard of Prof. Justin Mason's death. You will be greatly missed. Your cheerfulness, friendly atmosphere with impeccable professionalism are your qualities that distinguished you as a great person. You will never be forgotten.
Professor Justin Mason rest in perfect peace.

Francis A. (HH MOPD)

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I have known Justin since 1991, when I followed him in registrar posts at Wexham Park Hospital, Slough and then the Hammersmith. I had the great pleasure of regular conversations with him during my year at the Hammersmith. He was, simply, an outstanding individual: highly intelligent, passionate about clinical and academic rheumatology - in particular, vasculitis - empathic and joyful. He was superbly talented in his professional life but also a warm and wonderful human being. He was much loved and appreciated by his patients and his colleagues. I hope his family gain some solace for knowing the high regard in which we all hold him. We have all lost him far too early!

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I only heard today that Professor Justin Mason had sadly passed away. It came as a total shock and I immediately became very emotional.
He had been my Specialist for my SLE since I was transferred to him by Professor Davies, 18 years ago. It was also at a time when I went from being a private patient to an NHS patient.
I can honestly say that the care and attention that I received from him was second to none.
He was the most amazing Doctor, a consummate professional whose expertise in his field filled me with confidence. He always greeted me personally and all my consultations were 100% thorough, he always had time to discuss my concerns and he never rushed a consultation regardless of how busy he was. He would always ask about my health and always made referrals to other Specialists when necessary.
The last time I saw him was in February of this year and he looked the picture of health. He was as vibrant and as enthusiastic as ever and I cannot believe he has gone.
My thoughts go out to his family, friends, work colleagues and patients. He has left a massive legacy but equally a massive void which will be impossible to fill.

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Professor Mason has been part of my life for the past 35 years looking after me. He was always so kind and considerate and always took the time to get to know me and my family. He was very passionate about his job and spoke to everyone with kindness and respect. Was very sad to hear about his passing, he will be sorely missed. May he rest in peace.

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Dr Mason generously gave of his time and heart in guiding us to ensure our daughter, Chanti, had the correct medical solution for her auto-immune disease. Few doctors in the world have expertise in Takayasu Arteritis so while his time was precious, he always had time and responded with expediency and kindness. While we feel we lost our lifeline, we are devastated for his family, friends and colleagues. We trust his kindness will be repaid in the next world.

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I was so saddened and shocked to hear of the passing of Professor Mason, words cannot express the sadness that I feel, I only found out last week when speaking to his lovely secretary Nicola, and I am still in shock, has so many has said, he was a lovely polite man who always had time for everyone, he was the only Doctor that I felt knew me and took the time to listen to any concerns that I had, i feel so alone and loss knowing that i will never see him again, his loss is great, and I will always remember him with a smile... When I attended his clinic, and it was my turn to be seen, he would always come and collect me and link my arm and guide me to the clinic... Professor Mason's loss is a hugh one and he will Never be forgotten... Condolences to all is family and loved ones, he made such an impact to his patients, to you the family his loss is great, please feel comfort in knowing that he was Special to all who knew him... May you Rest in Eternal Peace Professor Mason, you are soly missed...

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I could not bring myself to look at this page or write on it for a long time because I still cannot believe that Professor Mason has died and that I will never see him again. I walked into his clinic in 1996, a very sick woman. He was a Senior Registrar then under Prof Hanskard. He diagnosed the condition, gave me medication and hope. My health gradually improved and I learned to live with autoimmune disease. Over the years since, I needed to see him less and less, but whenever I saw him in Clinic I always thanked him and told him that he had given me my life back. He just smiled in that modest way of his and said how pleased he was. I only knew him as a patient. He was kind, caring, compassionate and approachable. I trusted him with my health and my life. I miss him terribly. This loss must be unbearable for his family, his patients and everyone who worked with him. My gratitude is never ending and I will never forget him.

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I had the pleasure of being a Rheumatology registrar at the Hammersmith working with Professor Mason and I am so sorry to hear of his passing.
He was always cheerful, enthusiastic and keen to teach what he knew and was still learning whether about Takaysu's or other conditions.
Rest in Peace

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Professor Justin Mason was a remarkable man in so many ways.  He will be remembered for years to come for the extent of his knowledge of his chosen speciality, his humility and his gentle, caring manner. Always eager to help in complex or difficult cases, he was revered by so many of his patients and his students.

Working with both British Society for Rheumatology and Vasculitis UK, Justin pioneered the innovative short, but intensive vasculitis fellowships, or masterclasses which were greatly valued and appreciated by the few who fortunate enough to take part.

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I first met Prof Justin Mason at the 16th International Vasculitis Workshop in Paris 2013. My husband John persuaded me to attend the Takayasu Arteritis session while he attended another special interest session. I was on my own and terrified but Justin made me very welcome & my fears soon disappeared. I also learnt so much that afternoon about Takayasu.
I have always found Justin very kind & always supportive to his patients & eager to share his extensive knowledge with colleagues.
He will be sorely missed by so many people for so many different reasons.
Susan

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Jane McClay - Professor Mason. Irreplaceable 

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Jane McClay - Professor Mason. Irreplaceable 

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It has taken me a while to start writing this as I have only recently found out that Prof Mason has died. My last appointment with him was on 9 February this year and this news has left me feeling so very sad and shocked.

I first met Professor Mason in June 2006, when I was referred to him at the Hammersmith Hospital with wide spread inflammation. He explained that I had Takayasu's Arteritis. Naturally this was not the diagnosis that I had hoped for but he explained that it could be treated and that I was his first patient that had TA without any damage to any of my organs. He took the time to answer all of my questions and arranged for my medication to start immediately.  I left that first meeting knowing that I was in safe hands. He was so kind and professional and his expertise in his field made me feel confident but he also had a knack of making you believe that everything would be ok, he was always so positive.

During the last 17 years I have always looked forward to my appointments, knowing that any worries I had, he would be able to reassure me or arrange scans/x-ray's even if they were unrelated to my TA.  That's the kind of man he was, he wanted the best for his patients, he stood out in his profession as someone who really cared and nothing was too much trouble. Somehow, I always felt that he would be there, quietly in the background and now he's gone.

Professor Mason is now in safe hands.  May he Rest in Peace.

My sincere condolences go to his family, friends and colleagues.

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It was a pleasure to get to know Professor Justin Mason in the years that’s cared for my mother. His professionalism, kindness,skill and compassion were consistently of the highest standard which made him a paragon of the profession.

In my mum’s words he was “always so kind, gentle and helpful. He was just such a lovely man to know”.

We were both so sad to hear of his passing and send our very best wishes to his family.

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It has taken me a while to write this, as the news of Professor Justin Mason transitioning has not only saddened me but left me in a great deal of shock. Being diagnosed with a rare medical condition you can imagine is extremely frightening, and uncertain at times. I have Takayasu's Arteritis and was referred to Professor Mason in 2014. The first time we met he put me at ease, could answer questions with regards to my condition as he was so knowledgeable and dedicated in his field . I always looked forward to our appointments, as he a had a warm aura, and always had a smile on his face. Leaving a lasting impression on me and I'm sure his other patients that we could live a some what normal life and still do a lot of the things we loved. A great man! Who will be missed by many. Sleep well Professor Mason. Sending sincere condolences to your family and friends. Antoinette

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I met Justin when I was a PhD student at NHLI several years ago. Justin was an incredibly kind, helpful and friendly colleague and every conversation I had with him was cheerful, funny and upbeat. He remained always very approachable and kind, helping with my husband’s ankylosing spondylitis diagnosis and treatment for which I am ever grateful. I am deeply saddened to hear of his passing and it feels like a huge loss to know that I will never again experience that warm, kind and uplifting friendship or be able to consult the excellent and kind doctor that he was…My deepest condolences to his colleagues, friends and family. Rest in peace Justin 🙏🏽

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I was deeply shocked and upset when I heard that Dr Mason has passed away. He was always a caring and gentle person, always had time for a quick word when we were passing on the stairs or outside. I will miss his friendly smiling face

Anita

Rest in peace

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I was so moved to hear of Justin’s sad passing. He was a wonderful human being - kind, funny and compassionate, but also an amazing scientist and a great doctor. The world is sadly a poorer place.

Cathryn

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I was so saddened to hear of Justin’s death. My mum was one of his first TAK patients, diagnosed in the 90s (the first in Wales I believe) and regularly the subject of talks an papers. With numerous co-morbidities as a result of TA, I was never sure how long we’d have with mum. His care, consideration and good humour were amazing. He fought for inclusion on trials and was forever patient with me when I had questions. Mum passed away suddenly 2 weeks after Justin and I take some comfort knowing that they’ll be somewhere else having a good chat and he can continue to care for her. There are not enough words to describe our appreciation for all he did and the time and memories we have been able to have as a direct result of his care. I know how much Justin did for the TA community, his patients, his colleagues and research. Above all was a kind, good humoured human being and I know he will be missed by all his friends, family and colleagues. Our thoughts are with you all in this difficult time.

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I still cannot believe that Professor Mason is no more. I was referred to him by a fine rheumatologist who nevertheless said that for my particular condition, he was the best in the world. He became that for me the moment I walked into his consulting room - a lively kind face, and a capacity to explain to me quietly and with care, and even a light voice, what had happened and what had to be done to right things. I shall never forget how he carried his knowledge - elegantly, and not making me feel an idiot for all the basic questions I was asking. I was grateful then, as I am now. I loved my appointments and the last time I saw him, before the pandemic, I spontaneously gave him a hug. He had the grace not to look too startled, and I didn’t regret it.
I was to see him very shortly after I got this sad and shocking news from Nikki Briggs. My deepest sympathy to all at the Hammersmith Hospital and equally of course, to his family.

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I was shocked and saddened to hear about Justin’s sudden and untimely death.   I cannot believe that someone so effervescent and full of life is no longer with us. I first met Justin when we were both medical students and I was in the UK from Ireland on elective. I will be forever grateful for the kindness and help that he gave. Our paths crossed again seven years later as research fellows at the Hammersmith/RPMS when in my first week Justin popped up from a tissue culture hood instantly recognising me and remembering my name!  Our paths continued to crisscross through senior registrar and consultant posts. He always had an amusing story which was invariably accompanied by a wicked chuckle. He was a brilliant academic, an outstanding clinician and a good friend who has been taken from us too soon. He will be missed by everyone.

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Justin was a friend, colleague and leader of the vasculitis community who always lit up the room and the conversation with his intelligence, wit and experience. Many will acknowledge his academic contributions but what I valued most was his warmth and humanity. From sharing a beer in a basement bar in Vellore to a glass of franciacorta in front of Santa Maria Novella in Florence he was just great to be with. Always supportive of what others were trying to achieve yet gently lending a unique perspective reflecting his wealth of knowledge and practical understanding.

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Professor Justin Mason served for a short time on the charity’s Research Fellowship Committee. His contribution was highly valued whether reviewing applications, providing advice to the charity’s grants team or actively participating in our committee meetings and other fellowship events. On behalf of everyone at Imperial Health Charity, I am very grateful to have had his quiet, calm, insightful but authoritative presence. He will be sadly missed and our condolences go to his family and loved ones.

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I met Justin back in the day when I was the head of medical records, he was always such a pleasant and charming man.  Later on both myself and my late husband, Sir Christopher Booth became his patients, he cared for us with such compassion and really went that extra mile to help us.  There are no words that I can find to describe what a truly wonderful man he was.  I cant believe he has been taken so soon.  For me, Hammersmith will never be the same without him.  I send my heart felt condolences to his family, his colleagues and his patients.

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As a houseman to the Rheumatology Team at Charing Cross Hospital nearly 40 years ago, it was abundantly clear that Justin was going to be a star of the future! He certainly made my life as the rheumatology registrar very easy. As expected, he had a stellar career and it was a huge pleasure and privilege to continue our working relationship caring for patients in West London. I can only echo the posts already written covering his academic achievements, approachability and wonderful demeanour. My lasting memory will be that we have prematurely lost the nicest, kindest, thoughtful man one could possibly wish to meet. My heart and sincere condolences go out to his family.

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The trustees and members of Vasculitis UK are saddened and shocked at the loss of Prof Mason. We pass condolences to his family and friends, and those who knew him. Our small community will be poorer without him. Vasculitis UK is grateful for his support and work over the years.

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I cannot give words to my utter shock, sorrow and disbelief at the sad loss of Professor Mason. I have been his patient since 2013 and can honestly say he saved my life and my sanity. He was so kind and reassuring making me and I'm sure everyone feel as if they were his only patient. He always advised his junior team to 'listen to the patient' and he always did, taking on board every worry and concern. Consultations were never rushed. Professor Mason made me better and gave me such confidence which I know helped me manage my condition. It was always so lovely to see the way his team held him in such high personal and professional regard often referring to him fondly as 'The Prof'. I can only imagine how difficult this must be for his family dealing with such an unexpected and tragic loss. My thoughts and prayers are with them, and all, like myself, who will miss his reassuring presence. He was a truly exceptional human being who will never be forgotten by those whose lives he touched as the messages left here are testament.

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I was a patient of Prof Mason since 1999 when he diagnosed my takayasus disease and literally saved my life, he's always gone above and beyond to help me in any way fully investigating everything right up until this year when I was diagnosed with vasculitis he saved me again want a wonderful warm hearted man he will be truly missed.

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I was very much saddened to hear that Professor Mason had passed away. He was an exceptional person and I was lucky that he was my doctor, who took care of me for over more than a decade and a half. He will be missed enormously.

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Condolences to the family. My memories off Prof Mason who I saw every 6 months for rheumatology appointments.

I first met Justin when he came to Hammersmith as a registrar - I used to say gosh another one I have to train again. Prof was kind he always listened to you he had his own way of doing things, when I was very ill 2003, I spent a long time in hospital, Prof was the one who helped me recover if Prof went on holiday I was on holiday until he returned. I stuck with Justin for 35years or more or the other way round he used to say come on trouble. RIP Justin you are gone but not forgotten.

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I have been one of Professor Mason's patients for 13 years, after being diagnosed with Takayasu's Arteritis. During that time his patience and wealth of knowledge made appointments so reassuring and informative. But it's his humanity, humour and kindness that I'll always remember.
He went out of his way to help, arranging referrals for unconnected medical problems.
I have a particular memory - having to cancel an appointment at very short notice when my cat had an epileptic fit. I was amazed when he phoned an hour later to ask how he was, and to say he would book  another appointment.
I feel so lucky to have been referred to him and am now in remission.
Reading other memories, it seems he was also extraordinary as a child...
That combination of intellect and compassion made him a remarkable human being.
It is such a shock. My thoughts are with his family, friends and colleagues.
May he rest in peace.

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Professor Justin Mason was a fantastic doctor and caring person, who always made time to provide excellent care to all his patients. He will truly be missed.

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I met this inspirational man just once. He had quickly absorbed the salient details of my condition, he listened to my thoughts, he gave reassuring and helpful responses. I was so looking forward to my next session with him. What a loss for humanity.

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We were privileged to have known Prof Mason as my consultant (Zoe). We looked forward to travelling to London from Cornwall to see him whenever we had an appointment. He was friendly, caring and his smile always put you at ease. He's helped me alot throughout the years and helped plan a successful pregnancy while managing my condition along with his colleagues. He even congratulated us on the birth of our son. He was truly a great man and he will be very missed by many people.

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I was referred to Professor Mason around 12 years ago with a rare vascular disease at a relatively young age. Prof Mason was kind, reassuring and always showed interest in the smallest issues and side effects, no matter how trivial I thought they were. He had the time to ensure I fully understood my condition and even walked me to my blood test at my last visit, such a lovely guy. I will remember Prof Mason with affection and have experienced both shock and sadness at his sudden departure. I wish his family my deepest condolences. He was definitely one of the best.

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As a patient, I am very grateful to Professor Mason for leading the Rheumatology vasculitis team that has helped me so much and made such a difference to my quality of life. I was grateful for his knowledge and his kindliness. In particular, I remember speaking to him during one of the pandemic telephone clinics and how reassuring and encouraging he was, greatly lifting my spirits. I will miss him enormously.

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I was at school with Justin and remember him for his great intelligence, his fantastic ability at sport, his unusual addiction to the novels of JT Edson and an (at the time) unaccountable loyalty to Manchester City. He has clearly had a stellar career in rheumatology and his death has robbed medicine of one of our best. My deepest sympathy.

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Professor Mason was incredibly warm and kind hearted and really cared for his patients. When I was doing my cancer operation, which was not part of the treatment he was giving me, he still made time to come down and visit me in my hospital bed. He would always make time to ask me about my family and I could tell he cared. My heart goes out to his family, may god bless his soul.

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I have not known Professor Mason long, but he gave me hope that he could help me eradicate my condition or at least reduce my current dependence on steriods. Without him I would not be receiving the support I now have. He had a clear vision of what would happen to me and I had full confidence in his opinion.
I was extremely sad that such an experienced and nice man should have passed away so sudddenly and so young. My thoughts are with his family, but I hope they know the great good he has done in his life - a special man.

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I was shocked and saddened to hear Professor Mason had passed away. I only saw him once as a patient, but he left a lasting impression on my husband and I.
He was able to explain things about my condition which helped me to understand what was happening to me.
Forever grateful.

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I was so sad and shocked to hear that Professor Mason had passed away.  He was everything a doctor should be kind considerate and incredibly knowledgeable.
He has treated me since 2013 for Churg Strauss Vasculitis. It is hard to think of anything to say that others haven’t but no other specialist will ever make me feel as cared for as he did.
I dread all hospital appointments but I really looked forward to seeing him.
I always came out of his room feeling positive and cared for.
I like everyone else who came into contact with him miss seeing his smile and friendly face.
What horrible sad shocking news.

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Our family was very sad and shocked to hear professor Mason's passing.  My mum was one of his patients. He was always so kind, smiling, welcoming. He was always taking time to listen to her attentively, answering all her questions . He was always  present each time she was admit in hospital as a inpatient. We are very grateful to have him as a doctor. All our thoughts are for his family, friends, patients he looked after. We will never forget him for everything he did for our mum.

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I'm incredibly sad to hear of Professor Mason's passing. I've been a patient of his for as long as he was there, after taking over from Professor Walport, and always looked forward to seeing him as he was so incredibly kind, genuine, compassionate and funny.  He was a doctor who saw a patient as a person not a condition and I always felt that is such a skill.  It showed just what a genuinely nice person he was and a fantastic consultant. He always asked after my family and did really care for them too in his advice and thoughts.
I am so incredibly grateful for all that he did for me, such a wise and brilliant man.
I'll miss him greatly and my heart goes out to his family, friends and colleagues.
Thank you for all that you are Prof Mason.

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I still can’t believe this is true.  Seems only yesterday we were sharing laughs and coffee doing our PhDs together at RPMS. Laterly we have shared thoughts at the HH vasculitis MDT. Your opinions always wise so clever so kind . My sister and brother in law - both rheumatologists tell me you would always be so generous in  helping them too with advice for complex pts - every email thoughtfully and timely answered.
This is just awful
Megan x

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I'm very shocked and saddened, to hear Professor Mason's passing. I've been Professor Mason's patient since 2015, in Hammersmith hospital. I always look forward to seeing him whenever I have an appointment.  He always has a pleasant smile on his face, making me feel welcomed and comfortable every appointment.  He is genuinely the most wonderful person, I've ever met.  He has always been attentive to all my concerns, and listens to my feelings, taking it seriously.
He has a compassionate heart towards everyone. I feel blessed to have had him as my consultant.
I may meet many new people in my life, but I absolutely know I will never meet someone like you ever again. That's because you are irreplaceable. Most precious and special soul to ever exist.
My heart felt condolences to his family.
I am very grateful to have met such a genuine kind individual like you . You will never be forgotten and will reside within all our hearts forever.
Thank you from the bottom of my heart, Professor Mason!

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I am devastated to hear the unexpected news that Prof Mason has passed away. I have been Prof Masons patient since he took over the lupus clinic from prof Walport in the 1990s and it is with great sadness that I write my memories of this wonderful kindly doctor. I have not seen any other consultant like him. He was not just a medical consultant I went to see, I looked forward to seeing a true gentleman on my visits. As recently as last September when I spoke to him, his genuine concern was how I was progressing and with such care and sympathy he handled my concerns of deteriorating bones and joints. Apart from medical concerns, he would spare a few minutes to discuss books as he knew I read a lot and exchanged views. He will be missed by all the nhs and medical clinicians and more so by his patient fan club as we will never meet another kindly man like him. My visits to Hammersmith hospital will not be the same. May he rest in peace knowing we appreciated his work and care of us. My heartfelt condolences to his family. So very sad that he was taken away too early. He is a great loss to the medical profession.
I shall miss him and remember him daily.

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Justin was simply inspirational. Starting as an SHO on the Rheumatology team at the Hammersmith in 1996 was one of the more intimidating experiences of my career, but Justin made it a transformational experience for me. He embodied the passion, enthusiasm, intelligence, compassion and kindness that makes the very best clinical academics. Justin kept up the spirits of his team, ensuring that we grew and giggled in equal measure. I often reminisce about those happy days, and these happy memories of Justin will endure long after his untimely passing.

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Katerina Koutsantoni                         

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Katerina Koutsantoni                         

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I joined NHLI in late 2019 so had the privilege of knowing Justin for just under 3 years. A most intelligent, eloquent, softly spoken, incredibly kind and warm clinician and academic whose sudden passing shook me to the core. My thoughts and deepest condolences go to his family.

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When I was first diagnosed with large-vessel vasculitis two years ago, I was told that my consultant was to be Professor Justin Mason and I was told that he was the best in the field and also an extremely nice man. After meeting him, I realised that both these things were absolutely true.
He said that I could be cured and would feel much better, which is proving to be the case. Every time I saw him he inspired total confidence. When my wife died earlier this year, he could not have been kinder. The world has lost a very talented doctor and an extremely nice man. I send my upmost condolences to his family and colleagues.

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Extremely sad and shocked to hear about Prof. Mason's sudden demise.
Met him once face to face briefly after
I was seen by his Specialist Registrar.
What a brilliant, kind, caring, human being.
My second consultation was during the lock down on the telephone. He mentioned to me
he prefers face to face consultation, this  demonstrates his commitment and deep interest in his Speciality. It was a very thorough consultation and the Clinical Letter was posted to me and my GP in two days after the consultation.
I have been praying for him and his family ever since I got the sad news.
God Bless and RIP Prof. Mason.

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While I never had the privilege of meeting Professor Mason, my daughter, diagnosed with Takayasu's Arteritis in 1999, has always regarded his skills with the greatest of respect, and looked upon him as an ally & vital source of support. She feels very deeply on hearing about his untimely death, and I also wish to pass my feelings of gratitude to him and all his family and friends in the hope that this will ease the pain of their suffering. Words cannot express how deeply we feel: thank you so very much.

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Like everyone else here, I was shocked and deeply saddened to hear the news. Since attending Hammersmith I have had excellent treatment. When my previous consultant Prof Walport left, I was a little bit worried about who his replacement might be. The first time I met Justin my fears were allayed. He was so caring and empathetic, interested in hearing about all my medical issues not just those related to Lupus. He would often advise me regarding these issues and would write to my GP suggesting treatment such as scans etc.
Even though I now only need yearly checks for Lupus he always recognised me when I attended clinic and he ensured that I knew I could request extra appointments if I felt I needed them.
Surely one of the best doctors and nicest people you could ever hope to meet. I feel blessed that I did and will miss him. Sending Condolences and Love to all who knew him.

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Extremely shocked by this devastating news. Justin was a big influence on me during my PhD at the Hammersmith Hospital Department of Cardiovascular medicine. His inspirational wisdom and humour provided a great work environment. The extensive messages on this board is testament to how many lives Justin touched. To one of the kindest human beings - rest well Justin.

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I can’t put into words the grief and sadness I feel at hearing of the sudden loss of Professor Mason. As his patient I can say that he has been one of the few consultants in my life who has shown me understanding, compassion, care and an overall genuine concern for my well being. He has literally saved my life and been a source of comfort throughout my complicated medical history. It’s true what they say, the good get taken too soon. A kind and caring man. Thank you for being you and for all that you have done for so many of us Professor Mason. May you rest in peace. You will not be forgotten.

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I am deeply shocked saddened and devastated. Professor Mason was a mentor and a guide for me.   As a junior Rheumatology registrar returning from mat leave, he took me under his wings at Hammersmith hospital, trained me, and supervised me for 3 years.  I did his vasculitis clinics as a Registrar and learnt a great deal from him.  He was polite, thoughtful, and incredibly helpful. His modesty and humility astounded me on several occasions.  Without his unwavering assistance and support, I would not be where I am now. I am indebted to him in a major way. My heartfelt thoughts and prayers go out to his family. The world will never be the same without him.

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Justin and I worked as Senior Registrars at the Hammersmith Hospital.  I joined him when I came from Australia to become the Senior Registrar at the Hammersmith Hospital.

Justin has always been a good friend and colleague.  He was very supportive and helpful to me, especially when I was  adjusting  to a new system in the United Kingdom.  We jointly addressed and successfully achieved the four hour wait rule in A & E which was introduced by the then Labour Government led by Mr Blair.

Since then Justin has been a good friend and has always come to Brighton to give talks in various conferences I have organised.  Justin was an astute Physician, a very knowledgeable and thoughtful person.  I will miss him.

RIP Justin.

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Professor Mason has started being my specialist in 2007 when my condition was at its highest activity. He was instrumental to my well being and an exceptional doctor and human, no doubt the best doctor I have ever met: attention to detail and to my emotional state, reassuring to me and my husband at all times, actively following my condition, with a smile and a nice word, and treating me holistically, not just the condition under his care. I will miss him so so much. Thinking of his family and friends. RIP professor Justin, from both me and my husband.

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I am very saddened to hear about professor Justin mason's passing. I was very privileged to have met him as my consultant and get to know him in person. He was very kind and caring and I always looked forward to seeing him in clinic. He left a whole in my heart and will miss him greatly. I send my condolences to his family and friends and all those he worked with. He will never be forgotten.

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Deeply shocked and saddened to hear of Prof. Mason's passing. I sat in his clinic as an SHO, he looked after me at my first ever conference talk (BSR) as an FY1 and I did his large vessel vasculitis clinic as a registrar. A rigorous academic, a caring clinician and an archetypal gentleman - loved by patients and colleagues alike, with a brilliant sense of humour and the ability to put everyone at ease. A huge loss to everyone that knew him personally, but also to the Rheumatology community. Sincere condolences and prayers to his family. May he rest in peace.

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Five years ago, desperate to find a doctor who specialised in Takayasu, I emailed Prof Mason and within an hour he replied back and said he would be happy to see me. I immediately knew that he was no ordinary doctor - I have never met such a genuinely kind, caring, compassionate, friendly and knowledgeable doctor. I am privileged to have known him and be treated by him.

I am deeply saddened by this devastating news and I will miss him greatly. My heartfelt condolences to his family and loved ones.

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Justin was a life long friend and inspiration. We first met on day 1 at Medical School back in September 1980 and became close friends sharing a passion for sport and dry fly fishing. Our friendships continued until his untimely passing and transcended very different careers in medicine and for the last 15 years an ocean apart. We lived together for 5 years throughout our time at Charing Cross. Justin was light years ahead of us in both intellect, talent and dedication. The only reason I won a physiology prize was because I chose my partner well (thank you Justin)! While Sally, Philippa and I would head to the pub at 9pm Justin would only join us for last orders as he always had just one more topic to master. His dedication to perfection helped all of us through tough times and exams.
A phenomenon in his career as is outlined by the many inspiring postings here by his esteemed colleagues around the world. But it is the person behind the world class academic that I shall remember. His ability to retain information and facts whether it be about sport or general knowledge was amazing. He could always tell you the artist and year before the end of the first line of a song, he was a very talented dry fly fisherman from whom I learned the art of chalk stream mayfly fishing, he was a gifted sportsman at both cricket and hockey and probably anything else he put his mind to!
Justin you will never be forgotten and I am sure the amazing work you have done in your chosen field will ensure your name is remembered and revered for generations to come. I will miss you my friend.

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Was there ever a time Justin did not smile, was not optimistic and witty? If so I cannot remember. Instead, I remember many situations where him being him was enough to resolve any, even delicate situations. How he always found time when needed despite his many roles and enormous workload, I don’t know. His immense curiosity and humbleness were truly inspiring and I will never forget the occasions (too rare, though, mostly at conferences) when we found time for a drink and an entertaining chat about science and life in London.

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As a Doctor and a patient of Justin's I can honestly say he was the kindest, most dedicated Doctor I have ever been fortunate to meet. Following diagnosing me with Takayasu's Arteritis in 2016, when I reached out to him for help, he was a constant support to myself and my husband. He had an amazing gift of an incredible mind and also an impeccable bedside manner supporting me through my 2 pregnancies whilst enabling me to continue working. I hope the kindness with which he touched all who met him lives on and his charisma and dedication is an inspiration to fellow medics. My thoughts are with his colleagues, friends and family during this incredibly sad time.

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Passing away of a legend. Prof. I came to your clinic on the first of March. I expressed my joy and gratitude with my daughter to you. How through your soothing words, empathy, kindness and love gave me courage to live again.
You found out about the tumour on my head,  apart from my rheumatology problem, you encouraged me to get on with life because it will be taken care of, in as far as it was found early. Following your word of encouragement and care, I was able to carry on. I look forward to seeing you in your clinic each time I have an appointment. Just seeing you gives me hope of living. Only for me to get the message of your demise. I was devastated, I cried all night. What a black Tuesday!
Prof you have gone to a better place where there is no pain. But you live in my heart and that of my daughter and so many you have touched their lives the way you touched ours. My sincere condolence goes to your family and loved ones, your students and colleagues. We will surely miss you. The vacuum you created has no one to fill it. Adeu Prof. Justin Mason.

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I have had the honour of working more closely with Justin over the last year in our work for the Imperial BRC. I learnt so much from him as he helped me to navigate the world of management in academia. Justin was always kind, supportive and the ultimate role model. His humility and collaborative approach is something I will never forget. He was a rare breed of clinical academic who knew how to make sure that everyone in the room felt included and listened to at all times.

I will truly miss him and am so sad that I personally and many others at NHLI will no longer have the benefit of his mentorship and support.

Justin, you will be missed and never forgotten.

Best wishes, Rasha

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Justin was one of the nicest people I have ever known. Kind, generous and always able to spend time with you, and all in addition to being a superb clinician scientist. He was a true devotee to the vasculitis cause and a world leader in clinical and scientific research into large vessel vasculitis in particular. One of my fondest memories was when I showed a slide at a meeting in Oxford and had labelled it “courtesy of David Jayne”, Justin gently suggested that he had been the originator of the slide - David and I therefore asked where he had found it so we could quote the original in future “from a book” he replied,  but none of us were ever able to find the book so I now have the comment on the slide “courtesy of David Jayne, Justin Mason and a book”!
I had the great privilege to sit alongside Justin on a number of committees and he was a wonderful colleague and friend and supporter - a true gentleman in every aspect of that word and one who will be sorely missed by us all. I will also miss our fond discussions around one of the great pastimes in his and my life - fishing.

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Dr Mason was the kindest, most courteous doctor I've ever met. It's been six years since he saved my life and I will miss him from the bottom of my heart. Aside from his gentle and sympathetic manner, what always struck me as quite unique and so telling of the man, was the fact he came out to the waiting room every time to walk me in personally. Sincere condolences to his family. The world is a sadder place for his loss.

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From the Kennedy Trust for Rheumatology Research

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From the Kennedy Trust for Rheumatology Research

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Staff and Trustees at the Kennedy Trust for Rheumatology Research would like to extend condolences to all colleagues, family and friends of Justin, a number of whom are clinicians and scientist supported by or connected with the Trust.   Justin was an outstanding clinician and scientist who himself had links with the Trust through the Kennedy Institute.  Colleagues will remember him as a wise, thoughtful and supportive man who cared deeply for his subject, his patients and those he worked and interacted with.

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Justin was an incredible colleague and friend. I first met him when we were doing our PhDs and he was charged with teaching me the delights of FACS.  He was so patient and kind and with a wicked sense of humour, he was a joy to work and socialise with.  Following on as a clinical colleague, he was always happy to provide help and advice, always warm and welcoming at clinical meetings, and always made everyone feel special.  He was truly exceptional and inspirational as an academic, clinician and friend. He will be terribly missed.  My thoughts and prayers go out to his family and loved ones.  The world is a worse place without Justin in it.

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Prof Mason has been one of the few constants in my life. I have been under his care since he was Junior Registrar to Prof Haskard (circa 1992) right through to his owning the Hammersmith Rheumatology Department. A life of auto-immune diagnosis made bearable, understandable in layman's terms and ultimately treatable, under Prof Mason's care. I owe my life, and my sanity to him. His kindness to me I shall never forget. RIP Prof.

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Nazma Mir – patient                          

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Nazma Mir – patient                          

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Professor Mason was the best doctor I have had in my life, I'm shocked and saddened by this devastating news. He knew me & my condition inside out. All doctors had said my chance of having a baby with my condition was going to be very low, Professor Mason had always given me the hope & courage to keep try. Today I have two healthy beautiful children. I will deeply miss him & it will be a very sad to see another doctor instead of him. My sincere condolences to his family You have my deepest sympathy. He was a great man with a lovely personality always smiling & giving all the support you need. You will always remain in our heart  Professor Mason we will miss you very much….

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My eternal gratitude to Prof Mason who actually diagnosed my large artery disease finally and gave me hope and a sense of security- his kindness, presence and understanding were remarkable and his service to his craft immeasurable to the betterment of all us patients. I am absolutely devastated he has passed and the imperial team and his patients will keenly feel his loss. I would like to extend my sympathies to his family and friends and the world is a less magical place without his presence and commitment to us all. Thank you professor- eternal gratitude, blessings and peace for your service.

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Professor Mason diagnosed, sorted out and monitored a relatively minor but uncomfortable condition for me. I looked forward to our chat in out-patients, and when I was moved into six-monthly appointments with his registrar Justin would always call in to wrap up an already excellent consultation. How special when his reply to my mundane requests for prescription renewal were signed not Prof Mason - but Justin. Like a knighthood. We are lucky to have known him, and so sad to have lost him.

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My wife and I, first met Justin in 1995. I was very ill in hospital with a condition that could not be resolved. I was later informed that the consultant suspected, but was unsure, so he decided to contact Hammersmith hospital. We did not have to wait long and at that time Dr Mason arrived. He spent some time explaining the need for me to be transferred to his hospital and at the same time trying to put my wife at ease. The move was arranged very quick. From that day, we never looked back. The care I received along with the information on my Churg Strauss the support was phenomenal even when I relapsed a couple of years ago Professor Mason looked at my wife and said they would get me back on track. The Care, the compassion and support we had as a family. In face I was so ill, I owe my Life to him. My wife and I cannot find the words to describe how we feel about the loss of a Great man, a friend we now feel the loss leaves us with a big hole in our live

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I, like many, will mourn the loss of Prosessor Mason. My thoughts and prayers are with his family, friends and colleagues.
He was my Consultant for 20 years.
He saved my life.
He was a kind, supportive and exceptional doctor and human being whom I regard highly and will remember fondly.

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I had the fortune of working with Justin for the last eight years as the senior CNS in the department. Justin always had time for everyone despite his extremely busy and pressured working life. He was so clever, supportive, kind, funny, patient and always caring.His sudden death is such a shock to us all and a huge loss. He will always be missed and always remembered as a truly remarkable and lovely man. I feel privileged to have known him as do all of the nursing team.We send our condolences to his family and friends at this sorrowful time.

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I first met Justin at secondary school in 1975 and although we were in different boarding houses our paths overlapped mainly on the sports field.
We both started Medical School at Charing Cross in London in 1980.We we’re on the same small group ‘firm’ through our clinical training. His nickname even at the time was,of course, Prof-such was his ability and drive.It was quite clear to all of his contemporaries where his destination was professionally.
He will be greatly missed by us all.

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I met Justin 25 years ago when I was a research fellow. In an institution that to many back then seemed intimidating he was a constant personable, supportive and empathetic presence. Whilst starting as colleagues we all inevitably became his friends. Every contact I have had with Justin since then whether in a clinical or social context has increased my admiration for him. We have lost an outstanding clinician, scientist and educator but above all else a very special man. Sincere condolences to his family and very many friends.

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I met Justin when I became a clinical lecturer at NHLI in 2018. In the 4 years since, I had the privilege to meet and speak with him several times to seek his advice. From our first meeting, it was clear that he was an incredible mentor with a gift for nurturing people. His encouraging and positive advice to persevere despite a lack of initial success and his willingness to share his wisdom and knowledge spurred me on. His friendly, positive, humble and humorous manner made every interaction a pleasure. I will always be grateful for his advice and inspiration. My sincerest condolences to his family and friends. Rest in peace.

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I am quite sure that every patient who had the privilege of being treated by Justin felt the same as me: better when we left his office, than when we entered it. Justin was the ultimate physician: thoughtful, caring, sympathetic, wise, pragmatic and immensely knowledgeable.  During moments of darkness, his wry sense of humour and his calm, reasoned ability to reassure and explore every avenue, provided many of us with the resilience to continue our onerous and often unpleasant treatments.

All of his patients will miss him deeply and the field of vascular science and rheumatology will be gravely diminished by his loss. Sincere condolences to his friends and family.

RIP our wonderful Prof.

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I first met Justin when I was the Rheumatology SHO at the Hammersmith in 2006. Despite his razor-sharp intellect, he was also incredibly humble and empathetic, and he was one of the main influences that inspired me towards a career in both rheumatology and research. In fact so much so, that I resigned from a neurology job at Queen’s Square to return to do the Hammersmith Rheumatology SHO job a second time! I boomeranged back yet again as a registrar and had great fun doing Justin’s vasculitis clinic where we tried out novel biologic therapies in the days before corporate management and accounting had taken over the NHS. After I moved to Cambridge, we stayed in touch at Vasculitis meetings which would always be rounded off with beers. On one of these occasions, we were several pints in and our current research collaboration was conceived, and it has been great to be able to work on this more closely with him since moving back to Imperial yet again.  Justin’s very English understatement was always a source of great amusement – I remember him on the medical admissions unit describing a prisoner from Wormwood Scrubs doing a long stretch for murder as “a bit of a rotter”. Despite his gentlemanly polish, he had a subversive sense of humour which manifested as his characteristic mischievous chuckle. He was a great friend, colleague and mentor and I will miss him deeply.

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The thought of not sharing another laugh with Justin is unbearable. We met when we were training fellows- then again as we trailed around the Hammersmith as senior registrars, desperately trying to work out what was wrong with the patients we were faced with -noting the seemingly constant overlap between rheumatology and infectious diseases.   Justin had mastered the art of humbleness, such that he never made others uncomfortable-and amusingly he always gave the impression that he had 'only just scraped in' to the fellowships and senior posts that he found himself in. The virtue of not taking oneself or others too seriously is not valued enough in academia.  Justin brightened up all of our lives and his loss leaves a big gap .

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As the pain and shock start to become part of my acceptance, it frees my mind up to share a bit of insight in this man that has gone ahead before us.  He lives behind a great legacy for aspiring clinicians and scientists worthy to emulate.
While Justin did not have the biggest shoes on the Medical Faculty, he certainly did have the biggest sole/soul!  This is a slightly revised “Justin pun.” One of the few he delivered... Those puns lightened the tension in many a situation/meeting and made hard discussions easier. I recall a time as I pessimistically contemplated what malaria drug to take for my visit to Uganda with a view to fit in some safari touring. I sought his opinion on which one was the far less evil on the side-effects. After listening to me weighing up the cons and pros as to whether to take Larium, Justin smiled mischievously and said, “Well, the worst that can happen is you going mad from the Larium and wandering off in to the wild to end up as food for the game animals” and then went away laughing. He was absolutely irrepressible! His warmth, humour, compassion and profound joy in living---that so marked his life with his family and friends---was just as clearly on display in Justin’s professional life within the Medicine Faculty at Hammersmith Hospital and later on in the academic sector of Imperial College. As a clinician, a scientist, and as a colleague, Justin was unforgettable and irreplaceable. In his death, we have all lost a truly “great soul.” I had the privilege of working with him in the administrative sector initially within Rheumatology and then later on in Cardiovascular Sciences over the last 20 years.
Most people whose lives have been touched by Justin could easily spend hours telling you about him...I simply cannot believe that he is gone. My heart goes out to his loved ones, his family... Helen comes to mind. I cannot even start to imagine how Helen is coping. My deepest condolences to them all.  Rest well Justin.

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I was very sad to hear this news. I have known Justin for 3 decades - since the early 1990s. Of course he was a brilliant scientist and a wonderful doctor, but above all he was a lovely man. I shall miss him….

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I was shocked to hear of Justin’s passing. I first met him 30 years ago and had no doubt that he would be a stellar scientist. However, it was his humanity that stood out - he had such a sense of mischief and one never failed to smilw when aroubd him

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I am very saddened to hear about Professor Justin Mason’s passing. It was such a pleasure to have him as my consultant and to get to have known him as a person. He was a pleasant person to speak to, and he was always kind, caring and understanding about my illness. I looked forward to see him whenever I had an appointment because I knew that he truly cared about his patients and wanted to listen to them. There is an empty space left in me with his passing and it will not be filled by anyone else. He will be truly missed. I send all of my condolences to his loved ones and I am so thankful to have had him as my doctor.

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I am saddened and shocked by this news and wish to express my deepest condolences to Justin's family and friends. I had the privilege of being Justin's registrar for about a year at the Hammersmith and he left a lasting impression on me not only because he was an excellent clinician and teacher but also because of his caring, good natured and selfless ways. As a trainee I recall periodically catching glimpses of his amazing intellect and as a consultant he remained my go-to person for complex large vessel vasculitis. What a loss to rheumatology and medicine this is.  He will be deeply missed.

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Justin was awarded an Arthritis Research Campaign (now Versus Arthritis) Clinician Scientist Fellowship in 1997 and, following that, a Senior Fellowship. The Charity should be very proud of their support for his stellar career and he, in turn, repaid them amply through giving his time to committees, interview panels and peer review. Not only was he an outstanding clinician scientist and a great communicator but a charming, kind and incredibly nice man. His premature death is a huge loss to medicine and rheumatology and I send my deepest sympathy to his family, friends and colleagues.

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I won’t be the first to express at how shocked I was to learn about Justin’s passing. He was a great guy who oozed enthusiasm, kindness, wit, and carried a profound knowledge in endothelial cell biology. I first met Justin in 2005 at the Hammersmith Hospital where I was part of the Division of Cardiovascular Sciences as a Wellcome Trust fellow. He was a wholly dedicated individual and I remember seeing him working long hours - shifting between the clinic and the lab. After leaving Imperial in 2009, I would  catch up with Justin regularly at endothelial cell meetings at home (which he would brilliantly organise) and abroad.
He’ll be sorely missed on so many levels, and my heart goes out to Helen and his family at this very difficult time.

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Justin's loss will rip a huge hole into the hearts and minds of many, including my own. May I join his family, friends and close colleagues in mourning a great man and inspirational researcher.

Personally, I hold enormous gratitude to Justin for his warm and welcoming personality when I first joined the field, and for his subsequent support throughout my career in cardiovascular research. Thank you Justin, I won't forget you!

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Justin’s untimely death has robbed us of a cherished colleague. Wearing his sparkling intellect lightly he was a wonderful companion, leader and mentor with an obvious desire to help people achieve their best – and almost always seen with a smile. Our paths have intertwined in the vascular biology research community over the years since I had the privilege of examining his PhD just over 25 years ago. When we collaborated four years ago to edit a special issue of a journal with a series of articles devoted to redox signalling in autoimmune diseases it was a complete pleasure to have Justin with me, making sure I did not lose heart at the difficulty of cajoling authors to produce their promised articles. More recently, as chair of the BHF’s Project Grant Committee, it was also great to see Justin’s skill, tact, wisdom and humour in efficiently corralling the often disparate views of committee members to reach fair funding decisions. I offer my condolences to his family and friends at this dreadful time. Justin will continue to be sorely missed by his colleagues but remain an inspiration to them. In due course I hope, as others have noted, that we can create an appropriate annual tribute to him, for example in a named award for a younger researcher, to ensure his scientific and personal contributions are remembered for a long time to come.

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Justin was just an incredible man. His many academic and clinical achievements are remarkable but for me it was his humanity and personality that really set him apart. Charming, warm, engaging, fun. Justin was the first person in the room I wanted to speak to and our conversations never failed to improve my day. An outstanding role model and a real inspiration for my career. Rest in peace Justin.