Diarmuid Costello is Associate Professor of Philosophy at the University of Warwick, Chair of the British Society of Aesthetics and Co-Director of the AHRC 'Aesthetics after Photography' research project. He has co-edited two other collections on photography: Photography after Conceptual Art for Art History (November 2009) and Agency and Automatism for Critical Inquiry (Summer 2012). His articles have appeared in the Journal of Aesthetics and Art Criticism, the British Journal of Aesthetics, Critical Inquiry and Rivista di Estetica. He is working on two longer projects: On Photography and Art after Aesthetics?  Dominic McIver Lopes is Distinguished University Scholar and Professor of Philosophy at the University of British Columbia. He is the author of Understanding Pictures (1996), Sight and Sensibility: Evaluating Pictures (2005), and A Philosophy of Computer Art (2009) in addition to papers on such topics as depiction, the ontology of art, theories of art and aesthetic value. He is now revising a manuscript of book entitled Beyond Art while writing another book on four artistic uses of photographic media.