Sergei Diaghilev
His dancers included the legendary Nijinsky and the Imperial prima ballerina Karsavina; also Pavlova, Danilova and Spessivtseva. His choreographers included Fokine, Nijinska, Massine and Balanchine; his composers included Stravinsky, Rimsky-Korsakov, Prokofiev, Ravel and Debussy; his set designers included Picasso, Cezanne, Matisse, Utrillo, Bakst  and Braque; Cocteau worked as an artist and wrote scenarios. The ballets created  and the performances changed the course of ballet history.