Dugald Stewart Walker (American, 1883 – 1937)
Charles Dana Gibson (American, 1867 - 1944)
Charles Atwood Kofoid (American, 1865-1947)
L.N. Britton (American, 19th/20th Century)
Columbia University Teachers College (American, 19th/20th Century)
Louis Agassiz (American, 1807 – 1873)
George Catlin (American, 1796 - 1872)