Sally Metzler Chicago, Illinois, United States   Masolino da Panicale, Musée Ingres, Montauban. Fig. 1: Attributed to Franciabigio, c.1515, Philadelphia Museum of Art, John G. Johnson Collection, 1917.   The Italian Renaissance artist Franciabigio has illustrated a horrendous crime of passion (fig. 1). He depicted the moment when Saint Julian, consumed with false jealously, killed…