What are Masterpieces and Why Are There So Many of Them? » Sir Francis Cyril Rose, Gertrude Stein and Alice B. Toklas, 1939. Courtesy of Contemporary Jewish Museum, San Francisco

Sir Francis Cyril Rose, Gertrude Stein and Alice B. Toklas, 1939. Courtesy of Contemporary Jewish Museum, San Francisco

Sir Francis Cyril Rose, Gertrude Stein and Alice B. Toklas, 1939. Courtesy of Contemporary Jewish Museum, San Francisco