Sam Thorne is director of Nottingham Contemporary and the former artistic director of Tate St Ives. He is the author of School (Sternberg Press, distributed by MIT Press). Martin Clark is director of Camden Art Centre, London, and the former director of Bergen Kunsthall, Norway. He is the curator of numerous solo shows by artists such as Simon Starling, Lily van der Stokker, and Amy Sillman.