One of Fran ois Truffaut's most poignantly memorable films, Jules and Jim, adapted a novel by the French writer and art collector Henri-Pierre Roch. The characters and events of the 1960s film were based on a real-life romantic triangle, begun in the summer of 1920, which involved Roch himself, the German-Jewish writer Franz Hessel, and his wife, the journalist Helen Grund. Drawing on this film and others by Truffaut, Robert Stam provides the...