His dancers included the legendary Nijinsky and the Imperial primaballerina Karsavina; also Pavlova, Danilova and Spessivtseva. His choreographers included Fokine, Massine and Balanchine; his composers included Stravinsky, Prokofiev, Ravel and Debussy; his set designers included Picasso, Cezanne, Matisse, Utrillo, Bakst and Braque; and the ballets created changed the course of ballet history.