Is hailed as the greatest Russian filmmaker since Sergei Eisenstein, although he directed only seven feature-length movies. First student film was an adaptation of Ernest Hemingway's short story The Killers. His student film The Steamroller and the Violin won the top prize at the 1961 New York Student Film Festival. First feature in 1962 was Ivan's Childhood, which won the Golden Lion at the Venice Film Festival. Achieved world-wide acclaim with 1966's Andrei Rublev, which was not officially shown in the Soviet Union until 1971 due to the film's political and religious views. In 1984 announced he was leaving his native Soviet Union to live in the West. Wrote Sculpting in Time, a book on film theory. Ingmar Bergman regarded him as "the most important director of our time."