Liam is director of the Clinton Institute for American Studies at the University of Dublin, and Professor of American Studies. He is the author of Susan Sontag: Mind as Passion, 1995 and Race and Urban Space in American Culture, 2000. He is co-editor of Urban Space and Representation, 1999 and City Sites: An Electronic Book, 2000, and editor of Remaking Birmingham: the Visual Culture of Urban Regeneration, 2004.