Magnus Von Wright (Swedish, 1805 – 1868)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Rodolpho von Ihering (Brazilian, 1883-1939)
Louis Agassiz (American, 1807 – 1873)
Cyprián Majerník (Slovak, 1909 - 1945)
Saverio Manetti (Italian, 1723 – 1785)
Louis-Isidore Duperrey (French, 1786 – 1865)
Coenraad Jacob Temminck (Dutch, 1778-1858)
René-Primevère Lesson (French, 1794 – 1849)
George Hudson (New Zealander, 1867 – 1946)
John James Audubon (American, 1785-1851)
John Edwards Holbrook (American, 1796 – 1871)
Louis Agassiz (American, 1807 – 1873)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Philip Henry Gosse (English, 1810 – 1888)
René de Rabié (French, 1700-1785)
Johann Friedrich Naumann (German, 1780 – 1857)
Jacques Barraband (French, 1767 – 1809)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Alexander Koester (German, 1864-1932)
John James Audubon (American, 1785-1851)
Henry Jones (English, 1838-1921)
Heinrich Von Zügel (German, 1850 - 1941)
Josef Feid (Austrian, 1806-1870)
Andre Plumot (Belgian, 1829-1906)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)