Dollar, William (b St. Louis, Mo., 20 Apr. 1907, d Flourtown, Pa., 28 Feb. 1986). US dancer, choreographer, director, and teacher. He studied with Fokine, Mordkin, Balanchine, Vladimirov, and Volinine and made his debut with the Municipal Opera St Louis in 1930. He danced with Philadelphia Opera Ballet (1933-5), becoming principal with American Ballet (1935-7) then principal with Ballet Theatre in 1940. In 1941 he danced with American Ballet Caravan and in 1942 with New Opera Company, subsequently guesting with American Ballet Theatre, Ballet International (1944) and Grand Ballet du Marquis de Cuevas. He also performed in musicals and films including The Goldwyn Follies (dir. Marshall, chor. Balanchine, 1938). As one of the first American classical male dancers he created roles in many Balanchine ballets including Le Baiser de la fée (1937) and Four Temperaments (1946). He began choreographing in 1936, his first ballet Concerto (mus. Chopin, Ballet Caravan) was created with Balanchine who was a major influence on his style. His other works include a recreation of Nijinsky's Jeux (mus. Debussy, Ballet Theatre, 1950) and Le Combat, renamed The Duel (mus. de Banfield, Petit's Ballet de Paris, 1949). After arthritis forced his early retirement he became renowned as a teacher and ballet master in Europe, N. and S. America, and Iran.