Fifth Avenue in Art: Hassam, Childe (1859-1935) Fifth Avenue at Washington Square, New York 1891 Museo Thyssen-Bornemisza, Madrid Hassam, Childe (1859-1935) Fifth Avenue Nocturne c.1895 Cleveland Museum of Art, Cleveland Hassam, Childe (1859-1935) Allies Day, May 1917 1917…