Isabelle Graw (Frankfurt am Main/Berlin) is Professor of Art Theory and Art History at the Staatliche Hochschule f r bildende K nste-St delschule, Frankfurt am Main. In 1990 Graw and Stefan Germer founded the quarterly magazine Texte zur Kunst. In 2003, Graw and Daniel Birnbaum founded the Institut f r Kunstkritik at the St delschule. David Joselit is Professor of Art, Film and Visual Studies at Harvard University. He is the author of Infinite Regress- Marcel Duchamp 1910-1941, Feedback- Television against Democracy (both published by the MIT Press), American Art Since 1945, and After Art. Isabelle Graw (Frankfurt am Main/Berlin) is Professor of Art Theory and Art History at the Staatliche Hochschule f r bildende K nste-St delschule, Frankfurt am Main. In 1990 Graw and Stefan Germer founded the quarterly magazine Texte zur Kunst. In 2003, Graw and Daniel Birnbaum founded the Institut f r Kunstkritik at the St delschule. Isabelle Graw (Frankfurt am Main/Berlin) is Professor of Art Theory and Art History at the Staatliche Hochschule f r bildende K nste-St delschule, Frankfurt am Main. In 1990 Graw and Stefan Germer founded the quarterly magazine Texte zur Kunst. In 2003, Graw and Daniel Birnbaum founded the Institut f r Kunstkritik at the St delschule. Carol Armstrong is Doris Stevens Professor of Women's Studies in the Department of Art and Archaeology at Princeton University. She is the author of Scenes in a Library- Reading the Photograph in the Book, 1843-1875 (MIT Press, 1998). Sabeth Buchmann, an art historian and critic, is Professor of Modern and Postmodern Art and Head of the Institute for Art Theory and Cultural Studies at the Academy of Fine Arts Vienna. Benjamin H. D. Buchloh is Andrew W. Mellon Professor of Modern Art in the Department of History of Art and Architecture at Harvard University and an editor of October magazine. He is the author of Neo-Avantgarde and Culture Industry- Essays on European and American Art from 1955 to 1975 (MIT Press) and other books.