Louis-Isidore Duperrey (French, 1786 – 1865)
Johann Michael Seligmann (German, 1720–1762)
Jean Bernard (Dutch, 1775-1833)
Henry Stull (American, 1851-1913)
Joseph Wolf (German, 1820-1899)
Circle of Maud Earl (English, 1864-1943)
René-Primevère Lesson (French, 1794 – 1849)
Louis Agassiz (American, 1807 – 1873)
Lorenz Oken (German, 1779 – 1851)
John Gerrard Keulemans (Dutch, 1842-1912)
Sir Edwin Henry Landseer (English, 1802–1873)
Louis Agassiz (American, 1807 – 1873)
Joseph Wolf (German, 1820-1899)
Rodolpho von Ihering (Brazilian, 1883-1939)
John Edwards Holbrook (American, 1796 – 1871)
Marcus Elieser Bloch (German, 1723–1799)
Joseph Wolf (German, 1820-1899)
Samuel Howitt (English, 1756-1822)
Johann Friedrich Naumann (German, 1780 – 1857)
Frederick DuCane Godman (English, 1834 – 1919)
Saverio Manetti (Italian, 1723 – 1785)
Emil August Göldi (Swiss, 1859-1917)