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Elisabeth Adams (19th century)
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Elizabeth Cary Agassiz (1822-1907), American natural historian
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Mary Albertson, American astronomer and biologist
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Elizabeth Garrett Anderson (1836-1917), British physician
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Mary Anning (1799-1847), British natural historian
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Hertha Marks Ayrton (1854-1923), British physicist
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Sara Josephine Baker (1873-1945), American doctor (child hygiene pioneer)
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Florence Bascom (1862-1945), American geologist
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Isabella Bird Bishop (1831-1904), British natural historian
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Elizabeth Blackwell (1821-1910), American physician
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Emily Blackwell (1826-1910 ), American physician
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Marie Gillain Boivin (1773-1841), French midwife
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Mary Layne Brandegee (1844-1920), American biologist
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Elizabeth Knight Britton (1858-1934), American biologist
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Mary E. Britton (19th century)
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Elizabeth Brown (d. 1899), British astronomer
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Mary Morland Buckland (d. 1857), British natural historian
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Mary Whiton Calkins (1863-1930), American psychologist
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Annie Jump Cannon (1863-1941), American astronomer
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Mary Agnes Meara Chase (1869-1963), American biologist
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Cornelia Clapp (1849-1934), American zoologist
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Agnes Mary Claypole (1870-1954), American biologist
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Edith Jane Claypole (1870-1915), American biologist
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Agnes Mary Clerke (1842-1907), British astronomer
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Anna Botsford Comstock (1854-1930), American natural historian
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A. Grace Cook American astronomer
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Clara Eaton Cummings (1853-1906), American biologist
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Florence Cushman American astronomer
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Lydia Maria Adams DeWitt (1859-1928) American pathologist
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Amalie Dietrich (1821-1891), German natural historian
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Maria Dalle Donne (19th century)
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June Etta Downey (1875-1932), American psychologist
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Mary Anna Palmer Draper (1839-1914), American astronomer
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Alice Eastwood (1859-1953), American biologist
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Rosa Smith Eigenmann (1858-1947), American biologist
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Mileva Einstein-Maric (1875-1948), Serbian/Swiss physicist
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Ellen Eglui (19th century)
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Mary Orr Evershed (1867-1949), British astronomer
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Margaret Clay Ferguson (1863-1951), American biologist
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Alice Cunningham Fletcher (1838-1923), American ethnologist
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Williamina Fleming (1857-1911), Scottish/American astronomer
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Lydia Folger Fowler (1822-1879), American physician
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Harriet Boyd Hawes (1871-1945), American archeologist
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Margaret Lindsay Murray Huggins (1848-1915), British astronomer
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Ida Henrietta Hyde (1857-1945), American biologist
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Sophia Jex-Blake (1840-1912), British physician
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Marcia Keith (1859-1950), American physicist
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Mary Kies (19th century), American inventor
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Helen Dean King (1869-1955), American biologist
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Sofia Kovalevskaya (1850–1891), Russian mathematician (partial differential equations, rotating solids, Abelian functions)
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Christine Ladd-Franklin (1847-1930), American psychologist
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Lefebre (19th century)
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Henrietta Swan Leavitt (1868-1921), American astronomer
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Sarah Plumber Lemmon (1836-1923), American biologist
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Jane Webb Loudon (1807-1858), British botanist
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Augusta Ada Byron Lovelace (1815-1851), British mathematician
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Mary Horner Lyell (1808-1873), British geologist
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A. H. Manning (19th century)
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Margaret Eliza Maltby (1860-1944), American physicist
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Jane Haldimand Marcet (1769-1858), British natural philosopher
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Lillen Jane Martin (1851-1943), American psychologist
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Sarah Mather (19th century)
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Annie Russell Maunder (1868-1947), Irish astronomer
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Antonia Caetana Maury (1866-1952), American astronomer
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Carlotta Joaquina Maury (1874-1938), American paleontologist
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Olive Thorne Miller (1831-1918), American natural historian
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Maria Mitchell (1818-1889), American astronomer
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Mary Murtfeldt (1848-1913), American biologist
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Florence Nightingale (1820-1910), British nurse
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Eleanor Anne Ormerod (1828-1901), British biologist
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Edith Marion Patch (1876-1954), American biologist
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Florence Peebles (1874-1956), American biologist
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Mary Engle Pennington (1872-1952), American chemist
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Sophia Pereyaslaw (19th century)
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Almira Hart Lincoln Phelps (1793-1884), American science educator
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Beatrix Potter (1866-1943), British mycologist
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Mary Jane Rathbun (1860-1943), American marine biologist
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Ellen Swallow Richards (1842-1911), American industrial and environmental chemist
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Emily Roebling (1844-1903), American civil engineer
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Clemence Augustine Royer (1830-1902)
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Caterina Scarpellini (1808- )
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Rena Florence Sabin (1871-1953), American anatomist and public health official
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Ethel Sargant (1863-1918), British biologist
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Lucy Sistare Say (1801-1885), American scientific illustrator
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Ellen Churchill Semple (1863-1932), American geographer
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Annie Lorrain Smith (1854-1937), British lichenologist and mycologist
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Mary Somerville (1780-1872), British physicist
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Nettie Stevens (1861-1912), American geneticist
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Lucy Hobbs Taylor (1833-1910), American dentist
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Jeanne Villepreux-Power (1794-1871), French marine biologist
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Mary Walker (1832-1919), American surgeon
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Margaret Floy Washburn (1871-1939), American psychologist
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Sarah F. Whiting (1846-1927), American astronomer and physicist
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Mary Watson Whitney (1847-1921), American astronomer
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Fiammetta Wilson (1864-1920), British astronomer
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Anna Winlock (1857-1904), American astronomer
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Anne Sewell Young (1871-1961), American astronomer