 Returning to New York, he found work on Broadway in the dancing ensemble of "Out of This World" (1950–1951), staged by de Mille and choreographed by Hanya Holm.This was followed by "The Golden Apple" (1954) and "My Fair Lady" (1956–1962), both choreographed by Holm, and "Lady in the Dark" (1963), a college production in Eugene, Oregon.In later life, Mumaw focused on preserving the history and dances of Ted Shawn.