(b Stratford, Ontario, 13 Aug. 1926; d Barrie, Ontario, 9 Feb. 1998).
Canadian-American painter and radio and television presenter, a leading figure in the development and acceptance of abstract art in Canada. In 1955 he moved from Toronto to New York, where he enjoyed considerable success among the second generation of Abstract Expressionists. He lived in the USA until 1965, becoming an American citizen in 1963, but he retained a large following in Toronto and exerted a strong influence on painters there. With the decline of Abstract Expressionism his popularity waned, but after his return to Canada he achieved success as a radio and television personality, presenting chat shows and programmes on art and current affairs. He also developed a kind of roadshow performance in which he painted on stage before an audience to the accompaniment of rock music.