1905-1986. Russian dancer and choreographer. Born in Kiev, he studied under Nijinsky, joined the Diaghilev company 1923, and was maitre de ballet at the Paris Opera 1930-44 and 1947-59. A great experimenter, he produced his first ballet without music, Icare, in 1935, and published the same year the controversial Le Manifeste du choreographie. He developed the importance of the male dancer in his Prometheus 1929 and Romeo and Juliet (music by Prokofiev) 1955.