British writer and radio producer. He joined the BBC in 1938, and was co-author with Joyce Grenfell of the How series. He wrote a novel, The Young Man (1929), and an educational study, The Muse in Chains (1937), but made his name with a series of humorous books on the art of demoralizing the opposition - The Theory and Practice of Gamesmanship; or the Art of Winning Games Without Actually Cheating (1947), One-Upmanship (1952), and Supermanship (1958).