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Leonid Gaidai was a Soviet film director and screenwriter. He is often considered the king of Soviet comedy. He directed more than 20 films, including the classic comedies Ivan Vasilievich: Back to the Future (1973) and Operation Y and Shurik's Other Adventures (1965). Gaidai's films are known for their humor, satire, and slapstick comedy. He is one of the most popular and beloved directors in Russian cinema.