
Alexander von Humboldt (German, 1769 – 1859)

William Jackson Hooker (English, 1785 – 1865)

Ohara Koson (Japanese, 1877-1945)

Arentina Hendrica Arendsen (Dutch, 1836 - 1915)

Elizabeth Blackwell (Scottish, 1707–1758)

Mary Vaux Walcott (American, 1860-1940)

Mary Vaux Walcott (American, 1860-1940)

Louis Antoine Cusin (French, 1824-1901)

Carl Reichert (Austrian, 1836-1918)

Léo-Paul Robert (Swiss, 1851 - 1923)

Walter Hood Fitch (Scottish, 1817 – 1892)

Hans Walty (Swiss, 1868-1948)

Sydenham Edwards (English, 1768-1819)

Sydenham Edwards (English, 1768-1819)

Mary Vaux Walcott (American, 1860-1940)

René-Primevère Lesson (French, 1794 – 1849)

Gustav von Hayek (Austrian, 1836-1911)

G.H. Buek & Co. (American, 1850 – 1927)

Pierre Joseph Redouté (French, 1759-1840)

Léo-Paul Robert (Swiss, 1851 - 1923)

Edward Step (English, 1855-1931)

Henry Seebohm (English, 1832 – 1895)

Robert Ridgway (American, 1850 – 1929)

Edward Donovan (English, 1768 – 1837)

Melchior d'Hondecoeter (Dutch, 1636-1695)

Lorenzo Berlèse (Italian, 1784-1863)

Aert Schouman (Dutch, 1710-1792)

Mary Vaux Walcott (American, 1860-1940)

Heinrich Wilhelm Schott (Austrian, 1794 – 1865)