Scientist and psychologist remembered for his research on sleep. He taught at Edinburgh University (Scotland) and the University of Western Australia.
He received his medical degree from Caius College, Cambridge and later served in the Royal Air Force.
He conducted research on a sleep medication called triazolam; his findings indicated that the drug caused dangerous psychological effects.
His wife, Kirstine Adam, was also a sleep researcher. The couple raised four children.
His American contemporary, Aaron T. Beck, was also a psychiatrist and university professor.