Léon Bakst – born as Leyb-Khaim Izrailevich Rosenberg, Лейб-Хаим Израилевич (Самойлович) Розенберг was a Russian painter and scene and costume designer of Jewish origin. He was a member of the Sergei Diaghilev circle and the Ballets Russes, for which he designed exotic, richly coloured sets and costumes. He designed the décor for such productions as Carnaval (1910), Spectre de la rose (1911), Daphnis and Chloe (1912), The Sleeping Princess (1921) and others.