sentences:  In 1926–1929 he was a soloist and choreographer at both Kharkiv and Kiev ballet, while continuing to study at the Leningrad Theatre Institute (until 1932).During the period of 1930–1936, Zakharov was an actor and choreographer at Kirov Academic Theatre of Opera and Ballet in Saint Petersburg (now Mariinsky Theatre), where he choreographed "Cinderella" with music composed by Sergei Prokofiev and "The Fountain of Bakhchisarai" (1934).In 1936–1960 he was a principal choreographer at the Bolshoi Theatre in Moscow, where he directed and choreographed the definitive version of Prokofiev's "Cinderella".