Image from Wikimedia Commons
Adrianus Johannes Ehnle - Public Domain
w:fr:Eugène Pirou - Public Domain
Vanguard Records - Public Domain
Generalitat de Catalunya -
artwork: unknown (following Paul Ernst Gebauer); file Jdsteakley - Public Domain
Contemporary photograph - Public Domain
unknown - Public Domain
itsik64 - CC BY 2.0
ABC Television - Public Domain
Jules Pizzetta - Public Domain
JJ Georges - CC BY-SA 3.0
Public Domain
Lucas & Monroe Studio, New York. - Public Domain
Fiore dei Liberi -
Rob C. Croes / Anefo - CC BY-SA 3.0
Rblasing - CC BY-SA 3.0
Sammlung Varnhagen - Public Domain
Image from Wikimedia Commons
Adrianus Johannes Ehnle - Public Domain
Kipp, Petrus Jacobus 1808-1864
Image from Wikimedia Commons
w:fr:Eugène Pirou - Public Domain
Schmitt, Florent, 1870-1958
Image from Wikimedia Commons
Vanguard Records - Public Domain
Sky, Patrick
Image from Wikimedia Commons
Generalitat de Catalunya -
Bohigas, Oriol
Image from Wikimedia Commons
Leonowens, Anna Harriette, 1831-1915
Image from Wikimedia Commons
artwork: unknown (following Paul Ernst Gebauer); file Jdsteakley - Public Domain
Blücher, Gebhard Leberecht von, 1742-1819
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Gertler, Mark, 1891-1939
Image from Wikimedia Commons
Contemporary photograph - Public Domain
Gaebelein, Arno Clemens, 1861-1945
Image from Wikimedia Commons
unknown - Public Domain
Bertoncini, Mario, 1932-
Image from Wikimedia Commons
itsik64 - CC BY 2.0
Einstein, Arik
Image from Wikimedia Commons
ABC Television - Public Domain
Bochner, Lloyd, 1924-2005
Image from Wikimedia Commons
Jules Pizzetta - Public Domain
Brongniart, Alexandre, 1770-1847
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Tschirch, A. (Alexander), 1856-1939
Image from Wikimedia Commons
JJ Georges - CC BY-SA 3.0
Clément, René, 1913-1996
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unknown - Public Domain
Graun, Johann Gottlieb, 1702 or 1703-1771
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Public Domain
Stearns, Ozora Pierson, 1831-1896
Image from Wikimedia Commons
unknown - Public Domain
Brandts-Buys, Jan, 1868-1933
Image from Wikimedia Commons
Lucas & Monroe Studio, New York. - Public Domain
Kelly, Nancy, 1921-1995
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Cuthbert, Saint, Bishop of Lindisfarne, approximately 635-687
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Fiore dei Liberi -
Liberi, Fiore dei, active 15th century
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Damia, 1889-1978
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Warren, John, 1753-1815
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Guilleminot, Armand-Charles, 1774-1840
Image from Wikimedia Commons
Rob C. Croes / Anefo - CC BY-SA 3.0
Topol, 1935-
Image from Wikimedia Commons
unknown - Public Domain
Nowak, Jan, 1913-2005
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Hardy, Thomas, 1840-1928
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L. E. L. (Letitia Elizabeth Landon), 1802-1838
Image from Wikimedia Commons
Kipnis, Levin, 1894-1990
Image from Wikimedia Commons
Rblasing - CC BY-SA 3.0
Roberts, Helen M., 1896-
Image from Wikimedia Commons
Sammlung Varnhagen - Public Domain
Robert, Ludwig, 1778-1832