Rainer Crone holds the Chair for Twentieth Century Art and Media at the Ludwig-Maximilian University in Munich, Germany. Formerly an Associate Professor of Art History at Columbia University in New York, he is the author of the first monograph on Andy Warhol (1970), and has since widely published on twentieth-century art and artists. His most recent books include Louise Bourgeois, the Secret of the Cells (1998), Auguste Rodin: Eros and Creativity (1991), and Kasimir Malevitch: The Climax of Disclosure (1991).