Hero is one of the constructions that Indiana made in Vinalhaven, Maine. Affixed to the front and back of the sculpture are the left and right elements of an earlier work, Triptych (1960), which was exhibited in Wood Works: Constructions by Robert Indiana, at the National Museum of American Art (now the Smithsonian American Art Museum), Washington, D.C., May 1–September 3, 1984. Triptych was composed of three wall constructions made in early 1960.