Gustave Courbet (French, 1819-1877)
Horatio Henry Couldery (English, 1832–1918)
Louis Agassiz (American, 1807 – 1873)
John Emms (English, 1843–1912)
René-Primevère Lesson (French, 1794 – 1849)
Samuel Howitt (English, 1756-1822)
Joseph Wolf (German, 1820-1899)
Carl Reichert (Austrian, 1836-1918)
John L. Petrie (American, 19th Century)
Joseph Wolf (German, 1820-1899)
Archibald Thorburn (Scottish, 1860-1935)
Johann Adam Klein (German, 1792-1875)
Rodolpho von Ihering (Brazilian, 1883-1939)
John George Wood (English, 1827 – 1889)
John Gould (English, 1804-1881)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Friedrich Eckenfelder (German, 1861-1938)
Franz Xaver von Pausinger (Austrian, 1839 – 1915)
Charles Hamilton Smith (English, 1776-1859)
Caspar von Reth (German, 1850-1913)
John Gould (English, 1804-1881)
Bruno Liljefors (Swedish, 1860–1939)
John James Audubon (American, 1785-1851)
Luigi Balugani (Italian, 1737-1770)
Marcus Elieser Bloch (German, 1723–1799)
Frank Edward Clarke (New Zealander, 1849 – 1899)