Image from Wikimedia Commons
:w:John Sartain - Public Domain
no coneguts -
Bettmann, Corbis - Public Domain
unknown -
Der wahre Jakob - CC BY-SA 3.0
unknown - Public Domain
author of photograph unknown - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
Maud Cuney-Hare, 1874-1936 - Public Domain
Editors: Cathy Tillack and Karen Still - Public Domain
Peter Clarke - CC BY-SA 3.0
Smithsonian Institution -
Nv8200p - CC BY-SA 3.0
Burrolahola - CC BY-SA 4.0
Stephencdickson - CC BY-SA 4.0
US Government Printing Office. - Public Domain
No coneguts -
Image from Wikimedia Commons
Schiele, Egon, 1890-1918
Image from Wikimedia Commons
:w:John Sartain - Public Domain
Hays, Isaac, 1796-1879
Image from Wikimedia Commons
no coneguts -
Czuber, Emanuel, 1851-1925
Image from Wikimedia Commons
Bettmann, Corbis - Public Domain
Thérémin, Léon, 1896-1993
Image from Wikimedia Commons
unknown -
Loir, Adrien Charles, 1862-1941
Image from Wikimedia Commons
Der wahre Jakob - CC BY-SA 3.0
Duchrow, Ulrich
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unknown - Public Domain
Warbeck, Perkin, 1474-1499
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Phạm, Văn Đồng, 1906-2000
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author of photograph unknown - Public Domain
Bardeleben, Karl Heinrich von, 1849-1919
Image from Wikimedia Commons
National Photo Company Collection (Library of Congress) - Public Domain
Williams, John Sharp, 1854-1932
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unknown - Public Domain
Dohrn, Anton, 1840-1909
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Maud Cuney-Hare, 1874-1936 - Public Domain
Mitchell, Abbie, 1884-1960
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Strunsky, Rose
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Klare, George R. (George Roger), 1922-
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Editors: Cathy Tillack and Karen Still - Public Domain
Tanner, N. Eldon (Nathan Eldon), 1898-1982
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Bell, C. Gordon.
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Peter Clarke - CC BY-SA 3.0
Clarke, Bob, 1926-2013
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Smithsonian Institution -
Davis, Charles H. (Charles Harold), 1856-1933
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unknown -
Lovell, Bernard, 1913-2012
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Young, Bennett Henderson, 1843-1919
Image from Wikimedia Commons
Cayetano, Benjamin J. (Benjamin Jerome), 1939-
Image from Wikimedia Commons
Nv8200p - CC BY-SA 3.0
Lemann, Nicholas.
Image from Wikimedia Commons
Burrolahola - CC BY-SA 4.0
Throsby, C. D.
Image from Wikimedia Commons
Stephencdickson - CC BY-SA 4.0
McLaren, Duncan, 1800-1886
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Willette, Adolphe, 1857-1926
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Manning, Daniel, 1831-1887
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US Government Printing Office. - Public Domain
Byrne, William Thomas, 1876-1952
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Lowe, Hudson, Sir, 1769-1844
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No coneguts -
Pringsheim, Alfred, 1850-1941
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Andrade, Mário de, 1893-1945