Served in the RAF during World War II and was signed by Disney in 1947 to work on 'Treasure Island'. A noted painter of fine art in his own right, he became famous for the hand-painted mattes he created for films like '20,000 Leagues Under the Sea', 'Bedknobs and Broomsticks' and 'The Black Hole'. He was nominated for four Academy Awards, winning the Best Special Visual Effects Oscar for 'Mary Poppins' in 1964.