Joseph Manca is Professor and the chairman of the Art History Department at Rice University. He has a PhD from Columbia University and worked previously at the National Gallery of Art in Washington. A specialist in the Italian Renaissance, Joseph Manca has published numerous works on the period, particularly northern Italian art of the fifteenth century. Patrick Bade is a leading art historian, an international guest speaker and senior lecturer at Christie's Education in Modern Art Studies. A respected authority, he has written numerous publications, including books on Beardsley, Renoir and Rops. Sarah Costello has a PhD in art history and is a distinguished specialist of Greek and Roman Antiquity. She has published numerous essays on this subject. She is currently teaching at Rice University.