The fate of pillaged Nazi art has become a cause célèbre—a problem to be solved as well as a story to be told. The realization that countless paintings, drawings, sculptures, and objets d’art were never returned to their owners or their heirs provoked justified outrage. Rarely did months go by at the turn of the twenty-first century without articles in the press about the discovery of plundered art and bitter disputes about ownership. It seemed that no more major revelations would take place.