Alexander Koester (German, 1864-1932)
Louis Agassiz (American, 1807 – 1873)
Allan Brooks (Canadian, 1869 – 1946)
Elling William Gollings (American, 1878-1932)
John George Wood (English, 1827 – 1889)
Charles Hamilton Smith (English, 1776-1859)
Saverio Manetti (Italian, 1723 – 1785)
John Obadiah Westwood (English, 1805 – 1893)
George Hudson (New Zealander, 1867 – 1946)
Claude Lorraine Ferneley (English, 1822-1891)
Heinrich Von Zügel (German, 1850 - 1941)
Jean-Baptiste Oudry (French, 1686-1755)
John Edwards Holbrook (American, 1796 – 1871)
Louis Agassiz (American, 1807 – 1873)
Albertus Steenbergen (Dutch, 1814-1900)
John Woodhouse Audubon (American, 1812-1862)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Joseph Smit (Dutch, 1836 – 1929)
René de Rabié (French, 1700-1785)
Alfred Malherbe (French, 1804 – 1865)
Julius Scheuerer (German, 1859-1913)
George Hudson (New Zealander, 1867 – 1946)
Louis Agassiz (American, 1807 – 1873)
John Edwards Holbrook (American, 1796 – 1871)
Conrad Bühlmayer (Austrian, 1835-1883)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Friedrich Voltz (German, 1817-1886)