
Louis Agassiz (American, 1807 – 1873)

Frederick McCoy (Irish, 1817-1899)

Conrad Gessner (Swiss, 1764 - 1826)

Alfred Edmund Brehm (German, 1829-1884)

Archibald Thorburn (Scottish, 1860-1935)

Louis Agassiz Fuertes (American, 1874 – 1927)

Marcus Elieser Bloch (German, 1723–1799)

Emil August Göldi (Swiss, 1859-1917)

Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)

Wilhelm Richter (Austrian, 1824-1892)

Saverio Manetti (Italian, 1723 – 1785)

Henry Seebohm (English, 1832 – 1895)

Charles Hamilton Smith (English, 1776-1859)

Henri Verstijnen (Dutch, 1882-1940)

Ernst Haeckel (German, 1834-1919)

Marcus Elieser Bloch (German, 1723–1799)

John James Audubon (American, 1785-1851)

Heinrich Von Zügel (German, 1850 - 1941)

Archibald Thorburn (Scottish, 1860-1935)

Joseph Wolf (German, 1820-1899)

Theodor Philipsen (Danish, 1840-1920)

Archibald Thorburn (Scottish, 1860-1935)

Frank Edward Clarke (New Zealander, 1849 – 1899)

Johann Friedrich Naumann (German, 1780 – 1857)