Paul Schimmel is Chief Curator of The Museum of Contemporary, Los Angeles, where he has organized such ground-breaking exhibitions as "Robert Rauschenberg: Combines," "Ecstasy: In and About Altered States," "Out of Actions: Between Performance and the Object, 1949-1979"; "Helter Skelter: Los Angeles Art in the 1990s"; "Hand-Painted Pop: American Art in Transition, 1955-62"; "Robert Gober"; and "Charles Ray," each of which was accompanied by a major publication. Lisa Gabrielle Mark is Director of Publications at The Museum of Contemporary Art, Los Angeles. She has written widely on contempo...