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Zimbardo is a psychologist best known for his Stanford Prison experiment of 1971, in which graduate students given power over their peers quickly began to abuse it in unexpected and brutal ways. For Zimbardo, it is generally the system that causes ‘evil’ to happen, rather than individuals.

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Rosling was a Swedish physician, statistician, and speaker. He specialized in international health at the Karolinska Institute, and co-founded the Gapminder Foundation. He is one of our knowledge heroes, appearing in the BQ lessons to help us explore how statistical data is needed to develop an objective view of the world.

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Richards is a sociologist, and teacher of race relations. He specializes in addressing and exploring difficult, controversial subjects; a process that he believes involves viewing the world through multiple perspectives, and drawing on kills of empathy.

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Milgram was an American psychologist, who designed the (in)famous Milgram experiment to investigate the extent to which we respond to authority. His conclusions on the human capacity to go along with immoral acts are deeply disturbing.

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Kant is arguably the most important philosopher since classical Greece, and totally modified our understanding of how we view the world. He is one of our knowledge heroes, appearing in the BQ lessons to help us to explore how we construct our moral outlooks.

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Crockett is an American neuroscientist, writer, and science communicator, who studies the relationship between morality and decision making. She is one of our knowledge heroes, appearing in the BQ lessons to help us to explore the way scientific knowledge is manipulated by the way it is communicated within the media.

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Bentham was a British philosopher and reformer who tried to develop a scientific formula for the happiness created by any action we take. This became known as utilitarianism, and is the most well-known form of consequentialist moral philosophy.

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Nagel is a Canadian philosopher at the University of Toronto. Her work focuses on epistemology, philosophy of mind, and metacognition. She is also a specialist on C17th philosophy. She is one of our knowledge heroes, and appears in the BQ lessons to help us explore the ideas of Plato and Gettier.

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Mill was a philosopher and liberal thinker, and one of the most important figures in the campaign against slavery. He is one of our knowledge heroes, and appears in the BQ lessons to help us explore the importance of humility when understanding the world.

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Kahneman is a Nobel Prize winning economist, who is also one of the most influential thinkers of psychology in the world. He is one of our knowledge heroes, appearing in the BQ lessons to help us explore the extent to which we draw on generalizations when trying to make sense of the world.

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James was an American psychologist and philosopher, and one of the founding figures of the pragmatic school of thinking.  He believed that truth was ‘mutable’ or changeable, rather than something concrete and absolute. James believed that it often takes a long time to figure out whether something is true or not, based on whether it works successfully. This help us in formulating an understanding on the nature of ‘truth’.

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Hume was an Edinburgh philosopher and historian, and is regarded as the most important of the British empiricists (along with Locke and Berkeley). He is one of our knowledge heroes, and appears in the BQ lessons to help us explore the importance of drawing on our emotions when understanding the world.

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Gray is an English philosopher who focuses on analytic philosophy and the history of ideas. He is one of our knowledge heroes, and appears in the BQ lessons to help us explore the extent to which we can rely on the human sciences in ascertaining whether society is progressing or not.

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Eagleman is an American neuroscientist, writer, and science broadcaster. He teaches neuroscience at Stanford University and is CEO of Neosensory, which develops devices for sensory substitution. He is one of our knowledge heroes, and appears in the BQ lessons to help us explore the brain’s connection with the outside world.