Exhibiting artists: Jean Arp, Frank Auerbach, Milton Avery, Georg Baselitz, Adrian Berg, Peter Blake, Pierre Bonnard, Alexander Calder, Patrick Caulfield, Paul Cézanne, Michael Craig-Martin, Nicolas De Staol, Jean Dubuffet, Raoul Dufy, Barry Flanagan, Elisabeth Frink, Alberto Giacometti, Barbara Hepworth, Ivon Hitchens, David Hockney, John Hoyland, Allen Jones, Henri Laurens, Fernand Léger, Albert Marquet, Kenneth Martin, Henri Matisse, Joan Miró, Henry Moore, Ben Nicholson, Mimmo Paladino, AR Penck, Francis Picabia, Pablo Picasso, Nicholas Pope, Man Ray, Paul Signac, Matthew Smith, Sophie Taueber-Arp, David Tremlett, Maurice Utrillo, Alfred Wallis, Andy Warhol and Jack Yeats