Edwin L. Sheppard (American, ?-1904)
John Woodhouse Audubon (American, 1812-1862)
Sir Andrew Smith (English, 1797-1872)
Louis-Isidore Duperrey (French, 1786 – 1865)
Circle of William Huggins (English, 1824-1910)
Louis Agassiz (American, 1807 – 1873)
Elihu Vedder (American, 1836-1923)
John James Audubon (American, 1785-1851)
Jan van Oort (Dutch, 1867-1938)
Mark Catesby (English, 1683 – 1749)
Emile-Allain Séguy (French, 1877-1951)
Edmund Henry Osthaus (American, 1858–1928)
Cornelius van Leemputten (Belgian, 1841–1902)
Ferdinand von Wright (Finnish, 1822- 1906)
Joseph Smit (Dutch, 1836 – 1929)
Alfred Sisley (French, 1840-1899)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Filippo Buonanni (Italian, 1638 – 1723)
Marcus Elieser Bloch (German, 1723–1799)
William Henry Howe (American, 1846-1929)
Willem Witsen (Dutch, 1860-1923)
George Hudson (New Zealander, 1867 – 1946)
Louis Agassiz Fuertes (American, 1874 – 1927)
Louis-Isidore Duperrey (French, 1786 – 1865)
John Woodhouse Audubon (American, 1812-1862)