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Early Life: He was born on March the 18th 1895 at Câmpulung-Muscel, Argeș County. He attended the Ion Brătianu High School in Piteşti and the Gheorghe Lazăr High School in Bucharest. During that time, he discovered that he had a talent for mathematics, and started publishing in Gazeta Matematică, which is a well-known mathematical journal which is still published and used in schools. It was also then that he discovered his passion for poetry. Ion Barbu, the pen-name of Dan Barbilian, was known as "one of the greatest Romanian poets of the twentieth century. As a poet, he is known for his volume Joc secund ("Mirrored Play").​He was a student at the University of Bucharest when First World War  caused his studies to be interrupted by military service. He completed his degree in 1921. He then went to the University of Göttingen to study number theory with Edmund Landau for two years. Returning to Bucharest, he studied with Gheorghe Țițeica, another famous Romanian mathematician.​​   Achievements in mathematics:Apollonian metric​In 1934, Barbilian published his article describing metrization of a region K, the interior of a simple closed curve. ​At the University of Missouri in 1938 Leonard Blumenthal wrote Distance Geometry. A Study of the Development of Abstract Metrics, where he used the term "Barbilian spaces" for metric spaces based on Barbilian's function to obtain their metric. ​Ring geometry​Barbilian made a contribution to the foundations of geometry with his articles in 1940 and 1941 in Jahresbericht der Deutschen Mathematiker-Vereinigung on projective planes with coordinates from a ring. According to Boskoff , this work inspired research in ring geometries, nowadays associated with Barbilian's, Hjelmslev’s and Klingenberg’s names. A systematic study of projective planes over large classes of  associative rings was initiated by D. Barbilian. Nevertheless, in 1989 John R. Faulkner wrote an article "Barbilian Planes" that clarified terminology and advanced the study. In his introduction he wrote:​A classical result from projective geometry, is that a projective plane is coordinatized by an associative division ring. A Barbilian plane is a geometric structure which extends the notion of a projective plane and thereby allows a coordinate ring which is not necessarily a division ring. ​          Academic career​:In 1942, Barbilian was named professor at the University of Bucharest, supported by a fellow mathematician, Grigore Moisil.​​As a mathematician, Barbilian authored 80 research papers and studies. His last two papers, written in collaboration with Nicolae Radu, appeared after he died, in 1962.​​       The poet Ion Barbu​:During high school he met the future literary critic Tudor Vianu, to whom he will be linked by one of the longest and most beautiful literary friendships.​His artistic beginnings were triggered by a bet with Tudor Vianu. Going on a trip during high school, Dan Barbilian promises Tudor Vianu that he will write a book of poems, arguing that the artistic spirit is in everyone. From this "bet", Dan Barbilian discovers his talent and love for poetry. Dan Barbilian said that poetry and geometry are complementary in his life: where geometry becomes rigid, poetry offers him a horizon for knowledge and imagination.​​​ The spaces of Ion Barbu's poetry:The Barbian artistic phenomenon was born at the point of interference of Poetry with Mathematics, that is why his poetry is very different from that of other poets, especially because of its hermetic character. More precisely, the poet's understanding of what poetry should be is closer to the conception of modern and singular poets like Stephane Mallarmé or Paul Valéry, than to the more general conception imposed by romantacism. Then we must not forget that the poet was doubled by a mathematician and that his way of thinking in the abstract spirit of mathematics was also imposed in the plane of poetic representations. Ion Barbu himself states: "As in geometry, I mean by poetry a certain symbolism for the representation of possible forms of existence… For me poetry is an extension of geometry, so, remaining a poet, I never left the divine realm of geometry." ​​​

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Traian Lalescu (12 July 1882 – 15 June 1929) was a Romanian mathematician. His main focus was on integral equations and he contributed to work in the areas of functional equations, trigonometric series, mathematical physics, geometry, mechanics, algebra, and the history of mathematics.

He went to the Carol I High School in Craiova, continuing high school in Roman, and graduating from the Boarding High School in Iași. After entering the University of Iași, he completed his undergraduate studies in 1903 at the University of Bucharest.

He earned his Ph.D. in Mathematics from the University of Paris in 1908. His dissertation, Sur les équations de Volterra, was written under the direction of Émile Picard. In 1911, he published Introduction to the Theory of Integral Equations, the first book ever on the subject of integral equations.

He was a professor at the University of Bucharest, the Polytechnic University of Timișoara (where he was the first rector, in 1920), and the Polytechnic University of Bucharest.

Legacy:

There are several institutions bearing his name, including Colegiul Naţional de Informatică Traian Lalescu in Hunedoara and Liceul Teoretic Traian Lalescu in Reşiţa. There is also a Traian Lalescu Street in Timişoara. The National Mathematics Contest Traian Lalescu for undergraduate students is also named after him.

A statue of Lalescu, carved in 1930 by Cornel Medrea, is situated in front of the Faculty of Mechanical Engineering, in Timişoara.

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Spiru Haret was an Armenian-Romanian mathematician, astronomer and politician. He made a fundamental contribution to the n-body problem in celestial mechanics by proving that using a third degree approximation for the disturbing forces implies instability of the major axes of the orbits, and by introducing the concept of secular perturbations in relation to this.

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In Malta there have never been any famous or well known

mathematicians, even though we have a very rich history.

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Preda V. Mihăilescu (born 23 May 1955) is a Romanian mathematician, best known for his proof of the 158-year-old Catalan's conjecture.

Born in Bucharest,[1] he is the brother of Vintilă Mihăilescu.

Biography

After leaving Romania in 1973, he settled in Switzerland.[1] He studied mathematics and computer science in Zürich, receiving a Ph.D. from ETH Zürich in 1997.[2] His Ph.D. thesis, titled Cyclotomy of rings and primality testing,[3] was written under the direction of Erwin Engeler and Hendrik Lenstra.

For several years, he did research at the University of Paderborn, Germany. Since 2005, he has held a professorship at the University of Göttingen.
Major research
In 2002, Mihăilescu proved Catalan's conjecture.[4][5][6] This number-theoretical conjecture, formulated by the French and Belgian mathematician Eugène Charles Catalan in 1844, had stood unresolved for 158 years. Mihăilescu's proof appeared in Crelle's Journal in 2004.

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Grigore Gheba (August 15, 1912– September 6, 2004)was a Romanian army general and mathematics teacher. He has written over 30 collections of math problems, printed in over 6 million copies. The first collection under his signature appeared in 1948; was a collection of elementary and medium level, in particular algebra and geometry.

His great-grandson, Dan Andrei Geba, is also a valuable mathematician

He went to high school at Râmnicu-Salt. He then went to the officer school at Bacau,obtaining the rank of sub-lieutenant. In 1936 he married Lilica Popescu. At the beginning of the war he fought on the front in artillery against the Russians in Transnistria. In 1942 he fell prisoner and went through three prison camps. He was a prisoner in the Siberiancamps duringWorld War II. Grigore Gheba then joined the Tudor Vladimirescu Division and fought against the Germans. He was wounded twice and received eight decorations.

Grigore Gheba participated in the battles at the don's elbow, a tragic military operation in the history of the Romanian Army, where more than 150,000 soldiers died. [3] He escaped with his life, but was captured by the Russians and held prisonerfor a year.

Personal LIFE

In 1957,two years after the death of his first wife, he remarried Lucretia.

On September 6, 2004,in the morning, he had a heart attack. He died without finishing his new collections, which he was preparing to publish.

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Enrique Zuazua CV

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Emanoil Bacaloglu (Romanian pronunciation: [emanoˈil bakaˈloɡlu]; 11 May [O.S. 29 April] 1830 – 30 August 1891) was a Wallachian and Romanian mathematician, physicist and chemist.

Born in Bucharest and of Greek origin, he studied physics and mathematics in Paris and Leipzig, later becoming a professor at the University of Bucharest and, in 1879, a member of the Romanian Academy. Considered to be the founder of many scientific and technological fields in Romania (and aiding in the creation of the Romanian Athenaeum), Bacaloglu was also an accomplished scientist. He helped create Romanian-language terminology in his fields and was one of the principal founders of the Society of Physical Sciences in 1890.

He was also a participant in the 1848 Wallachian revolution.

He is known for the "Bacaloglu pseudosphere". This is a surface of revolution for which the "Bacaloglu curvature" is constant.

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Gheorghe Țițeicaas a Romanian mathematician who made important contributions in geometry. He is recognized as the founder of the Romanian school of differential geometry..
Born | 4 October 1873
Drobeta-Turnu Severin, Romania
Died | 5 February 1939 (aged 65)
Bucharest, Kingdom of Romania
Nationality | Romanian

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Octav Onicescu was a Romanian mathematician, founder of the Romanian school of probability theory, he gave it a new axiomatization, with the help of the notion of "event function" or "sum function". He introduced the concept of "probabilistic chain with complex links", the most important Romanian contribution in probability theory. He was the author of a new variety of mechanics: "Onicescu invariant mechanics".

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Some links related to John  Venn and his works.

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Some links related to John  Venn and his works.

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https://www.youtube.com/watch?v=mLIuHU5Sj5w

​https://www.youtube.com/watch?v=OC_0krYDM7o

https://www.youtube.com/watch?v=CkV_uRErIqk
https://www.biography.com/scientist/john-venn
https://www.youtube.com/watch?v=qmBVBPPnSak

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Wilhelm Gross graduated from the Gymnasium in Linz and then studied from 1905 to 1910 at the University of Vienna, where he received his Ph.D. (Promotion) on 20 May 1910

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Wilhelm Gross graduated from the Gymnasium in Linz and then studied from 1905 to 1910 at the University of Vienna, where he received his Ph.D. (Promotion) on 20 May 1910

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John Venn was born on 4th August 1834 and died on 4th April 1923 at the aage of 88. He was British, born in Yorkshire, and at this time Malta was part of the British Empire. He won several math and computing competions. Throughout his life he was a mathematician, a logician and a philosopher. He is most known for his work on Venn diagrams, which are named after him. Venn diagrams purpose and benefits are as follows:

To organise information to see their relationships and differences between them,

To summarize information,

To solve complex mathematical problems,

To compare data sets and things,

To reason through logic by grouping,

To build comprehension,

They are used to teach maths and logic.

One can find the Venn Building in the University of Hull, which is named after him.
In 1866, Venn published The Logic of Chance, a ground-breaking book which espoused the frequency theory of probability, offering that probability should be determined by how often something is forecast to occur as opposed to “educated” assumptions.

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In October 1910 Gross passed his teaching qualification examination in mathematics and physics. After a three-semester stay in Göttingen during the years 1910–1912, he became in 1912 an assistant and from 1913 a Privatdozent at the University of Vienna.

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In October 1910 Gross passed his teaching qualification examination in mathematics and physics. After a three-semester stay in Göttingen during the years 1910–1912, he became in 1912 an assistant and from 1913 a Privatdozent at the University of Vienna.

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Boats and boating--Equipment and supplies

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 In the year 1918 he was promoted there to professor extraordinarius. In the same year he was awarded the Richard Lieben Prize for his research on the calculus of variations, but he died of influenza in the 1918-1920 pandemic.

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 In the year 1918 he was promoted there to professor extraordinarius. In the same year he was awarded the Richard Lieben Prize for his research on the calculus of variations, but he died of influenza in the 1918-1920 pandemic.

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Gross did research on function theory, differential equations, measure theory, geometry and invariant theory. In function theory he is known for his investigations of singularities of meromorphic functions on Riemann surfaces, in particular, the Gross star theorem.

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Gross did research on function theory, differential equations, measure theory, geometry and invariant theory. In function theory he is known for his investigations of singularities of meromorphic functions on Riemann surfaces, in particular, the Gross star theorem.

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Little is known about the life of Juan de Alcega. He was born in the province of Gipuzkoa, probably in the town of Hondarribia.[1] We know, because he explains it in the introduction of his book, that he had some difficulties to publish it due to the resistances of the medieval guild of tailors, who thought that he was revealing the secrets of his art.[2]

In 1580 he published in Madrid the book entitled Libro de Geometria, Practica y Traça. (Book on Geometry, Practice, and Pattern) , reedited in 1589. This book is a clear example of the application of mathematics to technology in its first modern states.[3] It was also the subject of studies on philology by his terminology[4] and by his exposition of the mode of his times.[5][6]

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Daskalakis was born in Athens on 29 April 1981

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Daskalakis works on the theory of computation and its interface with game theory, economics, probability theory, statistics and machine learning.

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He has resolved long-standing open problems about the computational complexity of the Nash equilibrium, the mathematical structure and computational complexity of multi-item auctions, and the behavior of machine-learning methods such as the expectation - maximization algorithm. He has obtained computationally and statistically efficient methods for statistical hypothesis testing and learning in high-dimensional settings, as well as results characterizing the structure and concentration properties of high-dimensional distributions

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He was appointed a tenured Professor at MIT in May 2015.

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&nbsp &nbsp Professor, EECS, MIT

some guiding principles: The Satrapy

What a misfortune, although you are made
for fine and great works
this unjust fate of yours always
denies you encouragement and success;
that base customs should block you;
and pettiness and indifference.
And how terrible the day when you yield
(the day when you give up and yield),
and you leave on foot for Susa,
and you go to the monarch Artaxerxes
who favorably places you in his court,
and offers you satrapies and the like.
And you accept them with despair
these things that you do not want.
Your soul seeks other things, weeps for other things;
the praise of the public and the Sophists,
the hard-won and inestimable Well Done;
the Agora, the Theater, and the Laurels.
How can Artaxerxes give you these,
where will you find these in a satrapy;
and what life can you live without these.

Constantine P. Cavafy (1910).

[Accessibility]

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What a misfortune, although you are made for fine and great works this unjust fate of yours always denies you encouragement and success; that base customs should block you; and pettiness and indifference.

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ΚΑΡΑΘΕΟΔΩΡΗΣ

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Konstantinos Karatheodoris (Berlin, 13 September 1873 - Munich, 2 February 1950) was a Greek mathematician who was distinguished worldwide.

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Karatheodoris was known outside Greece as Konstantin Carathéodory and is often referred to as Karatheodoris.

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The scientific work of Konstantinos Karatheodoris extends to many fields of Mathematics, Physics and Archeology.

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He has made significant contributions, particularly in the areas of real-time analysis, functional analysis, and measurement and integration theory.

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He wrote most of his works in German.He was a close acquaintance of Einstein.