


Alexander Helwig Wyant (American, 1836–1892)









Dow Chemical Company (American, 19th/20th Century)






John White Alexander (American, 1856-1915)

Louis Agassiz (American, 1807 – 1873)



Winslow Homer (American, 1836-1910)

Mary Vaux Walcott (American, 1860-1940)






Asa Smith (American, 19th Century)