Image from Wikimedia Commons
unknown - Public Domain
Federico Milanés - Public Domain
Georges Biard - CC BY-SA 3.0
J. Pinto - Public Domain
Unknown, irrelevant due to age - Public Domain
Auguste Vinchon - Public Domain
Stefan Krasowski - CC BY 2.0
Public Domain
John Sartain - Public Domain
Falk - Public Domain
MRC Laboratory of Molecular Biology - CC BY-SA 4.0
ABC Television - Public Domain
Jan - CC BY-SA 2.0
Not recorded - Public Domain
Image from Wikimedia Commons
unknown - Public Domain
Hall, Prescott F. (Prescott Farnsworth), 1868-1921
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Astor, Gertrude, 1887-1977
Image from Wikimedia Commons
Edison, Charles A., 1890-1969
Image from Wikimedia Commons
Terry, Fred, 1863-1933
Image from Wikimedia Commons
Federico Milanés - Public Domain
Milanés, José Jacinto (1814-1863).
Image from Wikimedia Commons
unknown - Public Domain
Masefield, John, 1878-1967
Image from Wikimedia Commons
Georges Biard - CC BY-SA 3.0
Tchernia, Pierre, 1928-....
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unknown - Public Domain
Montagu, Charles-Greville, Lord, 1741-1784
Image from Wikimedia Commons
J. Pinto - Public Domain
Chagas, Carlos, 1879-1934
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Stagnelius, Erik Johan, 1793-1823
Image from Wikimedia Commons
Unknown, irrelevant due to age - Public Domain
Jefferies, Richard, 1848-1887
Image from Wikimedia Commons
Auguste Vinchon - Public Domain
Propertius, Sextus
Image from Wikimedia Commons
Stefan Krasowski - CC BY 2.0
Wuhl, Robert
Image from Wikimedia Commons
unknown - Public Domain
Bianchi, Giorgio, 1904-1967
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unknown - Public Domain
Reye, Theodor, 1838-1919
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unknown - Public Domain
Mannino, Franco, 1924-2005
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George III, King of Great Britain, 1738-1820
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Public Domain
Fogel, Seymour, 1911-1984
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Leblanc, Matt
Image from Wikimedia Commons
John Sartain - Public Domain
Sartain, Emily, 1841-1927
Image from Wikimedia Commons
Smith, Marcus A. (Marcus Aurelius), 1851-1924
Image from Wikimedia Commons
Falk - Public Domain
Kidder, Kathryn
Image from Wikimedia Commons
Public Domain
Penney, J. C. (James Cash), 1875-1971
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unknown - Public Domain
Loy, Nanni
Image from Wikimedia Commons
Oberth, Hermann, 1894-1989
Image from Wikimedia Commons
MRC Laboratory of Molecular Biology - CC BY-SA 4.0
Franklin, Rosalind, 1920-1958
Image from Wikimedia Commons
ABC Television - Public Domain
Baird, Bil, 1904-1987
Image from Wikimedia Commons
Jan - CC BY-SA 2.0
Lewis, Laurie, 1950-
Image from Wikimedia Commons
Stratton, Charles C. (Charles Creighton), 1796-1859
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Not recorded - Public Domain
Mortara, Edgardo, 1851-1940