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Eugene Gladstone O'Neill, the only Nobel Prize winning playwright from the United States and the architect of modern American theater, lived at Tao House in the hills above Danville from 1937 to 1944. It was at this site that he wrote his final and most successful plays; "The Iceman Cometh," "Long Day's Journey Into Night," and "A Moon For the Misbegotten." Since 1980, the National Park Service has been restoring Tao House, the courtyard and orchards and telling the story of O'Neill, his work and his influence on American theater.