Jacinto Lageira, art historian and critic, is senior lecturer at the Sorbonne. He has written several art books. Ulrich Loock, art critic and historian, is director of the Fondation Serralves in Porto, Portugal. He has written several art books. Christine Macel is exhibition curator at the Centre Georges Pompidou. She published another book on Bustamante and coauthored a retrospective of Sophie Calle.