Jackson Pollock, 1950, National Portrait Gallery, Smithsonian Institution; gift of the Estate of Hans Namuth, © Hans Namuth Ltd, 1

Jackson Pollock, 1950, National Portrait Gallery, Smithsonian Institution; gift of the Estate of Hans Namuth, © Hans Namuth Ltd, 1

Jackson Pollock, 1950, National Portrait Gallery, Smithsonian Institution; gift of the Estate of Hans Namuth, © Hans Namuth Ltd, 1