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Royal Charles Steadman (American, 1875 – 1964)
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Sebastian Kneipp (German, 1821 – 1897)
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George De Alwis (Sri Lankan, ?-1887)
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Mary Vaux Walcott (American, 1860-1940)
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Mary Vaux Walcott (American, 1860-1940)
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Louis Antoine Cusin (French, 1824-1901)
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Deborah Griscom Passmore (American, 1840–1911)
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Auguste de Saint-Hilaire (French, 1779-1853)
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Johann Wilhelm Weinmann (German, 1683-1741)
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Johanna Fosie (Danish, 1726 – 1764)
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Elizabeth Blackwell (Scottish, 1707–1758)
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Henryka Beyer (German, 1782-1855)
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Mary Vaux Walcott (American, 1860-1940)
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Magdelena Rosina Funck (German, 1672–1695)
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Sydenham Edwards (English, 1768-1819)
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Anna Maria Hussey (English, 1805 – 1853)
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Hubert Bellis (Belgian, 1831-1902)
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Jean Jules Linden (Belgian, 1817-1898)
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Ellen Isham Schutt (American, 1873 – 1955)
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Alexander von Humboldt (German, 1769 – 1859)
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Margaret Armstrong (American, 1867-1944)
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Mary Vaux Walcott (American, 1860-1940)
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Amanda Almira Newton (American, 1860-1943)
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Charles Antoine Lemaire (French, 1800-1871)
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Elizabeth Blackwell (Scottish, 1707–1758)
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Mary Vaux Walcott (American, 1860-1940)