Annie Cohan-Solal is the author of Leo & His Circle: The Life of Leo Castelli and Painting American: The Rise of American Artists. Her acclaimed Sartre: A Life has been translated into sixteen languages. She is currently Visiting Arts Professor at New York University’s Tisch School of the Arts.

As the art market comes back to life, an exclusive excerpt from a new biography of Leo Castelli, the dealer who discovered Jasper Johns, Roy Lichtenstein, and Andy Warhol. VIEW OUR GALLERY.