Jean Cocteau
He was involved in Diaghilev's Ballets Russes from the first season in Paris, 1909. He wrote scenarios (librettos) for Fokine's Le Dieu Blue in 1912, Massine's Parade in 1917 and Nijinska's Le Train Bleu in 1924. He also design company posters, and worked for several other ballet companies. He wrote many articles on dance, and made sketches of many in Diaghilev's circle.