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Amrhelweh - CC BY-SA 4.0
Hpschaefer - CC BY 3.0
US State Dept. - Public Domain
Thomas Bardwell - Public Domain
original uploader - Public Domain
unknown - Public Domain
unknown - CC BY-SA 3.0
NASA - Public Domain
Metro-Goldwyn-Mayer - Public Domain
Charles Fairfax Murray - Public Domain
Photograph by Benjamin Couprie, Institut International de Physique Solvay, Brussels, Belgium - Public Domain
Public Domain
Ejosse1 - Public Domain
Editors: Cathy Tillack and Karen Still - Public Domain
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Amrhelweh - CC BY-SA 4.0
Séth, Vikram, 1952-
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Gherardo, da Cremona, 1113 or 1114-1187
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Dupleix, Scipion, 1569-1661
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Stanfield, Clarkson, 1793-1867
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Hpschaefer - CC BY 3.0
Federman, Raymond
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US State Dept. - Public Domain
Liberman, Avigdor
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Roosevelt, Eleanor Butler, 1889-1960
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Thomas Bardwell - Public Domain
Martin, Thomas, 1697-1771
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original uploader - Public Domain
Thurman, Wallace, 1902-1934
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Huston, Walter, 1884-1950
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Tischendorf, Constantin von, 1815-1874
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Scheel, Walter
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unknown - Public Domain
Griffin, Simon Goodell, 1824-1902
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unknown - CC BY-SA 3.0
Schenberg, Mário
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NASA - Public Domain
Resnik, Judith, 1949-1986
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Bairnsfather, Bruce, 1887-1959
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Metro-Goldwyn-Mayer - Public Domain
Babcock, Barbara, 1937-
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Vieussens, Raymond, 1641?-1715
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Charles Fairfax Murray - Public Domain
Murray, Charles Fairfax, 1849-1919
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Photograph by Benjamin Couprie, Institut International de Physique Solvay, Brussels, Belgium - Public Domain
Guye, Charles Eugène 1866-
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Public Domain
Howell, Richard, 1754-1802
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Smith, Cordwainer, 1913-1966
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Ejosse1 - Public Domain
Abbot, Henry Larcom, 1831-1927
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Finley, Martha, 1828-1909
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Edwards, Weldon N. (Weldon Nathaniel), 1788-1873
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Velásquez, Baldemar, 1947-
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Bordeaux, Henry, 1870-1963
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Afzelius, Adam, 1750-1837
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Maginot, André, 1877-1932
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Editors: Cathy Tillack and Karen Still - Public Domain
Benson, Ezra Taft