Stuart Sutherland, born in 1928, was Professor of Psychology at the University of Sussex where he founded the Laboratory of Experimental Psychology. A prolific columnist and contributor to the Observer, the New York Times and the Daily Telegraph, and is best known for his iconoclastic book Irrationality, which was first published in 1992, and Breakdown, his candid and movingly personal account of his manic depression.

He died of a heart attack in 1998.