Don Davis (American, born 1952). Stanford torus interior view. 1975. Acrylic on board, 17 × 22″ (43.1 × 55.9 cm). Commissioned by NASA for Richard D. Johnson and Charles Holbrow, eds., Space Settlements: A Design Study (Washington, DC: NASA Scientific and Technical Information Office, 1977). Illustration never used. Collection Don Davis. Image Courtesy of The Museum of Modern Art