Rosalind E. Krauss, University Professor at Columbia University and an editor and cofounder of October magazine, is the author of "The Originality of the Avant-Garde and Other Modernist Myths" (1985), " The Optical Unconscious" (1993), " The Picasso Papers" (1999), and "Bachelors" (1999), all published by the MIT Press, and coauthor (with Yve-Alain Bois) of " Formless: A User's Guide "(Zone Books, 1997).