 
                  
                    
                The Yellow Scale Frantisek Kupka Date: c.1907; Paris, France
 
                  
                    
                George Ault, Bright Light at Russell's Corners, 1946, oil on canvas, 19 5/8 x 25 in. (49.9 x 63.4 cm), Smithsonian American Art Museum, Gift of Mr. and Mrs. Sidney Lawrence, 1976.121
 
                  
                    
                Wall Street by Paul Strand, Public domain, via Wikimedia Commons