Mark Francis is a London-based curator and writer. A director of Gagosian Gallery, he was formerly Chief Curator of the Andy Warhol Museum, Pittsburgh, and its Founding Director. He has been the curator of major exhibitions at the Carnegie Museum of Art, Pittsburgh, Whitney Museum of American Art, New York, Kunstpalast Dusseldorf, and the Centre Georges Pompidou, Paris, where in 2001 he edited the catalogue for 'Les Annees Pop'. He is the author of numerous essays and catalogues on artists including Richard Hamilton, Dan Graham, Douglas Gordon, Andy Warhol, and the Situationist International Hal Foster is Townsend Martin Professor of Art and Archaeology at Princeton University. A Founding Editor of the journal October, he is the author of Compulsive Beauty, The Return of the Real and Prosthetic Gods (MIT Press, 1993; 1996; 2004) and editor of The Anti-Aesthetic: Essays on Postmodern Culture and Recodings: Art, Spectacle, Cultural Politics (Bay Press, 1983; 1985; reissued by The New Press). A former Senior Editor of Art in America, he has contributed to numerous periodicals including Zone magazine, Diacritics, Documents and Artforum