Lester Novros
He studied painting at the National Academy of Design in New York City. He was also an active member of the Art Students League of New York, and studied at the prestigious Prado Museum inMadrid, Spain. His curiosity in the study of movement lead to an interest in motion pictures. In 1936 he was recruited by the Walt Disney Company to come to Hollywood to work on feature animation projects. Novros was an "in betweener" on the Disney classic Snow White and the Seven Dwarfs (1937), and received a credit for art direction for the "Night on Bald Mountain" sequence of Fantasia (1940). - Wikipedia Entry