2968207 Georgia O\'Keeffe, 1918 (gelatin silver print) by Stieglitz, Alfred (1864-1946); 11.4x9.1 cm; The Art Institute of Chicago, IL, USA; (add.info.: Georgia Totto O\'Keeffe (November 15, 1887 ??March 6, 1986) was an American artist. She is best known for her paintings of enlarged flowers, New York skyscrapers, and New Mexico landscapes. O\'Keeffe has been recognized as the "Mother of American modernism".); Alfred Stieglitz Collection; American, out of copyright.