Jessie Willcox Smith (American, 1863 – 1935)
Mary Vaux Walcott (American, 1860-1940)
Louis Agassiz (American, 1807 – 1873)
Anna Burnham Westermann (American, 19th/20th Century)
Porter Woodruff (American, 1894-1959)
Henry Roderick Newman (American, 1843– 1917)
Dow Chemical Company (American, 19th/20th Century)
Frederick Randolph Spencer (American, 1806-1875)
Harry Fenn (American, 1837-1911)
U.S. Information Agency (American, 1953-1999)