Obituaries for people who have left their mark on our understanding of the mind and brain

Syd Barret Troubled genius and founding member of Pink Floyd

John Beloff - British researcher who was one of the pioneers of academic parapsychology

Anthony Clare Thoughtful psychiatrist and radio presenter

Francis Crick DNA pioneer and consciousness researcher

Albert Ellis - One of the co-founders of cognitive therapy

Richard Gregory - Legendary perception researcher

Peter Huttenlocher - synaptic pruning researcher

Chris McKinstry Controversial artificial intelligence researcher and maverick cognitive science visionary

Rita Levi-Montalcini - Nobel-Prize winning neuroscientist who was working past the 100 year mark

Kim Peek - Inspiration for Dustin Hoffman’s character in the 1988 film Rain Main

Lou Reed - Musician and chronicler of his own psychiatric 'treatment' for homosexuality

Thomas Szasz - The brilliant, infuriating, persistent, renegade psychiatrist

Joseph Weizenbaum Creator of the chat programme ELIZA

Robert Zajonc Cognitive scientist with remarkable life story

Suzanne Corkin Famous for her work with amnesic Patient HM

Annette Karmiloff-Smith Pioneering developmental neuropsychologist

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