Disney's Nine Old Men
Les Clark (November 17, 1907 - September 12, 1979), who joined Disney in 1927. He was best known for  animating Mickey Mouse as he was the only one of the Nine Old Men to work on that character from its start with Ub Iwerks. Les did many scenes throughout the years, animating up until Lady And The Tramp. He moved into directing and made many animated featurettes and shorts.