
John Gould (English, 1804-1881)

Louis Antoine Cusin (French, 1824-1901)

Maria Sibylla Merian (German, 1647 – 1717)

M. Strange (American, 20th Century)

John Gould (English, 1804-1881)

Louis Agassiz (American, 1807 – 1873)

Imao Keinen (Japanese, 1845 – 1924)

Walter Hood Fitch (Scottish, 1817 – 1892)
![Aphyteia hydnora [Nymphaea nouchali]](https://mdl.artvee.com/ft/50072pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

Utagawa Hiroshige (Japanese, 1797 – 1858)

Christian Gottlieb Ludwig (German, 1709 – 1773)

Christian Gottlieb Ludwig (German, 1709 – 1773)

Hans Walty (Swiss, 1868-1948)

Edmund Henry Osthaus (American, 1858–1928)

Emil Volkers (German, 1831-1905)

Hans Walty (Swiss, 1868-1948)

Louis-Isidore Duperrey (French, 1786 – 1865)

Mary Vaux Walcott (American, 1860-1940)

René-Primevère Lesson (French, 1794 – 1849)

John Gould (English, 1804-1881)

François Hérincq (French, 1820 – 1891)

Elizabeth Blackwell (Scottish, 1707–1758)

Isaac Sprague (American, 1811 – 1895)

James C. Kulhanek (American, 1908 – 1990)

Elizabeth Blackwell (Scottish, 1707–1758)