Robin Wagner, the inventive Tony Award-winning set designer of more than 50 Broadway shows, including the 1978 musical “On the Twentieth Century,” in which a locomotive appeared to be racing toward the audience with the actress Imogene Coca strapped to the front of it, died on Monday at his home in New York City. His daughter Christie Wagner Lee confirmed the death but said she did not yet know the specific cause. She did not say in what borough he lived. Mr. Wagner designed sets on Broadway, Off Broadway and for regional theater, for operas and ballets, and, in 1975, for the Rolling Stones’ Tour of the Americas. His stage for those concerts was shaped like a six-pointed lotus flower that was raked upward to the back in a delicate curve.

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Persons: Robin Wagner, Coca, Christie Wagner Lee, Wagner, Clive Barnes, ”, Christ, ” “ Young, Tony Kushner’s Organizations: Broadway, Americas, The New York Times Locations: New York City, The, America