James Duncan (Canadian, 1806-1881)
Louis Agassiz (American, 1807 – 1873)
Alfred Edmund Brehm (German, 1829-1884)
Saverio Manetti (Italian, 1723 – 1785)
John James Audubon (American, 1785-1851)
Joseph Smit (Dutch, 1836 – 1929)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Theo van Hoytema (Dutch, 1863-1917)
Gabriel Amoretti (French, 1861-1947)
Archibald Thorburn (Scottish, 1860-1935)
Paul-Andre Robert (Swiss, 1901-1977)
Heinrich Von Zügel (German, 1850 - 1941)
Saverio Manetti (Italian, 1723 – 1785)
Saverio Manetti (Italian, 1723 – 1785)
Henry Stull (American, 1851-1913)
Filippo Buonanni (Italian, 1638 – 1723)
Theo van Hoytema (Dutch, 1863-1917)
Luigi Balugani (Italian, 1737-1770)
Otto Staudinger (German, 1830 – 1900)
Lorenz Oken (German, 1779 – 1851)
Archibald Thorburn (Scottish, 1860-1935)
Louis Robbe (Belgian, 1806 - 1887)
Saverio Manetti (Italian, 1723 – 1785)
Johann Friedrich Naumann (German, 1780 – 1857)
Louis Agassiz (American, 1807 – 1873)