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Dana Hull - Public Domain
Samuel Hart - Public Domain
Buffalo Evening News - Public Domain
Nobel Foundation - Public Domain
Susete Evaristo -
Sir Archibald Geikie -
"WHO"- (unidentified Vanity Fair artist) -
unknown - Public Domain
Acuario04 - CC BY-SA 3.0
Gestumblindi - Public Domain
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Wiesel, Torsten N.
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Dana Hull - Public Domain
Crane, Charles Richard, 1858-1939
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Samuel Hart - Public Domain
Robinson, Henry Douglas, 1860-1913
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Cassin, John, 1813-1869
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White, T. D. (Timothy D.)
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Shortt, Edward
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Makanin, Vladimir
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Buffalo Evening News - Public Domain
Alexander, De Alva Stanwood, 1845-1925
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Finsen, Niels R. (Niels Ryberg), 1860-1904
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Yeltsin, Boris Nikolayevich, 1931-2007
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Poincaré, Henri, 1854-1912
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Nobel Foundation - Public Domain
Florey, Howard, Baron Florey, 1898-1968
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Genlis, Stéphanie Félicité, comtesse de, 1746-1830
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Bell, W. Blair (William Blair), 1871-1936
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Brooks, Maria Gowen, 1794 or 1795-1845
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Susete Evaristo -
Zurara, Gomes Eanes de, approximately 1410-1473 or 1474
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Franklin, Miles, 1879-1954
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Hoppe-Seyler, Félix, 1825-1895
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Valuev, P. A. (Petr Aleksandrovich), graf, 1815-1890
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Sir Archibald Geikie -
Geikie, Archibald, 1835-1924
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"WHO"- (unidentified Vanity Fair artist) -
Turner, Alfr. Edward
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Neumann, Karl Eugen, 1865-1915
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Johnson, Rita, 1912-1965
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Nakasone, Yasuhiro, 1918- ....
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Pieck, Wilhelm, 1876-1960
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unknown - Public Domain
Bianco, José.
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Acuario04 - CC BY-SA 3.0
Felguérez, Manuel 1928-
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Gestumblindi - Public Domain
Doohan, James
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Grädener, Carl 1812-1883
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Tamm, I. E. (Igorʹ Evgenʹevich), 1895-1971