Cy Young

From Wikipedia: Young's first work was as lead animator on the 1931 short "Mendelssohn's Spring Song", a project completed while he was a student in New York City. Disney was so impressed with his work that he hired him to be head of the new special effects animation department and he partnered with animator Ugo D'Orsi. In Frank Thomas and Ollie Johnston wrote in their book Disney Animation: The Illusion of Life, they said, Through the entire thirties, the entire Effects Department consisted of...