John Tagg is a writer, educator, and a leading contributor to the development of art-historical and photographic theory, focusing on political analysis of institutionalized culture and interventions within it. He is a professor of art history at State University of New York-Binghamton and author of Grounds of Dispute: Art History, Cultural Politics and the Discursive Field (1992) and The Burden of Representation: Essays on Photographies and Histories (1988). Interview by James Hugunin.