Stephen Mack is a Ph.D. Candidate at Rutgers University. His dissertation is entitled "Donatello and the Unfinished: The Rough Aesthetic in Quattrocento Sculpture from Donatello to Michelangelo." He is also Research Associate and Photography Rights and Research Manager for the Yves Tanguy Catalogue Raisonné under preparation by the Pierre and Tana Matisse Foundation forthcoming from Artifex Press. He received his B.A. from Kenyon College in 2011.