 The Gallery's collection has been augmented by other donations.In 1989, property developer Charles Kearley donated works by British artists such as John Piper and Ben Nicholson and European artists such as Paul Cézanne, André Derain, Fernand Léger, and Gino Severini.In 2006, architect Sir Colin St John Wilson donated works by Michael Andrews, Peter Blake, David Bomberg, Patrick Caulfield, Lucian Freud, Richard Hamilton, R. B. Kitaj, Eduardo Paolozzi, Walter Sickert and Victor Willing.