Ferdinand Keller (German, 1842 – 1922)
Heinrich Wilhelm Schott (Austrian, 1794 – 1865)
Illtyd Buller Pole-Evans (South African, 1879-1968)
Sebastian Kneipp (German, 1821 – 1897)
Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hannah Borger Overbeck (American, 1870 – 1931)
Louis Antoine Cusin (French, 1824-1901)
Amanda Almira Newton (American, 1860-1943)
Jean Jules Linden (Belgian, 1817-1898)
Charles Frederick Millspaugh (American, 1854 – 1923)
John Lindley (English, 1799 – 1865)
Lorenzo Berlèse (Italian, 1784-1863)
Anna Atkins (English, 1799 – 1871)
Giovanna Garzoni (Italian, 1600-1670)
Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
François Hérincq (French, 1820 – 1891)
Sydenham Edwards (English, 1768-1819)
Friedrich Berge (German, 1811-1883)
James Marion Shull (American, 1872–1948)
Sydenham Edwards (English, 1768-1819)
Walter Hood Fitch (Scottish, 1817 – 1892)
Sydenham Edwards (English, 1768-1819)
Charles Antoine Lemaire (French, 1800-1871)
Bertha Heiges (American, 1866-1956)
Mary Vaux Walcott (American, 1860-1940)
Anna Atkins (English, 1799 – 1871)
Elizabeth Blackwell (Scottish, 1707 –1758)