David Pinder is Professor of Urban Studies at Roskilde University, in Denmark. His research focuses on urbanism and critical urban theory, on utopia and possible urban worlds, and on art, performance and the politics of space. His writings have ranged from the ideas and practices of avant-garde movements, particularly the situationists, to more contemporary forms of psychogeography, radical cartography, and artistic urban exploration and intervention. Among his publications is the book Visions of the City: Utopianism, Power and Politics in Twentieth-Century Urbanism (2005). He previously taught at Queen Mary University of London, and has held visiting positions at Princeton University and at CUNY Graduate Center.