Image from Wikimedia Commons
United States Congress - Public Domain
unknown - Public Domain
Public Domain
MavsFan28 - CC BY-SA 4.0
Malinka365 - CC BY-SA 3.0
Erling Mandelmann - CC BY-SA 3.0
Lech Kowalski & Włodzimierz Pniewski - Public Domain
Wisconsin Center for Film and Theater Research - Public Domain
unknown -
GO69 - CC BY-SA 3.0
Greco22 - Public Domain
unknown, copyright expired, pre 1919 - Public Domain
John Cochran, after Thomas Phillips - Public Domain
Edith Barakovich - Public Domain
unknown photographer (passport photographs) - Public Domain
Henry Donovan - Public Domain
Image from Wikimedia Commons
United States Congress - Public Domain
Alger, Bruce, 1918-
Image from Wikimedia Commons
Pelouse, Léon-Germain 1838-1891
Image from Wikimedia Commons
unknown - Public Domain
Hangal, Gangoobai, 1913-2009
Image from Wikimedia Commons
Lean, David, 1908-1991
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Public Domain
Walther, C.F.W. (Carl Ferdinand Wilhelm), 1811-1887
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MavsFan28 - CC BY-SA 4.0
Harmon, Angie, 1972-
Image from Wikimedia Commons
Marshman, John Clark, 1794-1877
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Malinka365 - CC BY-SA 3.0
Frawley, John.
Image from Wikimedia Commons
Erling Mandelmann - CC BY-SA 3.0
Berger, René, 1915-2009
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Condorcet, Jean-Antoine-Nicolas de Caritat, marquis de, 1743-1794
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Musgrave, Marilyn, 1949-
Image from Wikimedia Commons
Lech Kowalski & Włodzimierz Pniewski - Public Domain
Górecki, Henryk Mikołaj
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Lepère, Jean Baptiste 1761-1844
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Fischer, Hans, 1881-1945
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Wisconsin Center for Film and Theater Research - Public Domain
Butler, David, 1894-1979
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Lewis, Carl, 1961-
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Johnson, Lester R. (Lester Roland), 1901-1975
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unknown -
Butler of Saffron Walden, Richard Austen Butler, Baron, 1902-1982
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Ma, Fuxiang, 1876-1932
Image from Wikimedia Commons
GO69 - CC BY-SA 3.0
Menier, Émile Justin, 1826-1881
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Greco22 - Public Domain
Rēgas, Velestinlēs, 1757?-1798
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unknown, copyright expired, pre 1919 - Public Domain
Steele, Samuel B. (Samuel Benfield), 1848-1919
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Smith, Loring, 1890-1981
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Borochov, Ber, 1881-1917
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unknown - Public Domain
Ceccherini, Santi, 1863-1932
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John Cochran, after Thomas Phillips - Public Domain
Johnston, Alexander, Sir, 1775-1849
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Reszke, Edouard de 1853-1917
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Edith Barakovich - Public Domain
Friedell, Egon, 1878-1938
Image from Wikimedia Commons
unknown photographer (passport photographs) - Public Domain
Goris, Jan Albert, 1899-1984
Image from Wikimedia Commons
Henry Donovan - Public Domain
Gunther, Charles Frederick, 1837-1920