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John Frankenheimer was known for directing television plays. He directed several episodes of the 1950s television series "Playhouse 90," and also directed the 1962 television film "The Manchurian Candidate." Frankenheimer's work on television helped to establish him as a major director, and he went on to direct several successful feature films, including "The Manchurian Candidate," "Seven Days in May," and "The Birdman of Alcatraz."