O’Brien, Ken (1915-1990) He came to Disney as an animator in 1937, working on the animated features from Snow White and the Seven Dwarfs to Sleeping Beauty. In 1962 he transferred to WED Enterprises, to help program Audio-Animatronics figures for the New York World’s Fair. He continued at WED working on such attractions as Pirates of the Caribbean, The Hall of Presidents, Country Bear Jamboree, and World of Motion. He retired in 1982.