Image from Wikimedia Commons
Harris & Ewing - Public Domain
Michele Felice Cornè - Public Domain
The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
KesslerRonald - CC BY-SA 4.0
Unknown. Created before 1923; subject died 1894 - Public Domain
Georges Seguin (Okki - CC BY-SA 3.0
unknown - Public Domain
Public Domain
Jrn0074 - CC BY-SA 4.0
Tucker Collection - Public Domain
Congressional Pictorial Directory - Public Domain
Ra Boe - CC BY-SA 3.0
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Murphy, Frank, 1890-1949
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Michele Felice Cornè - Public Domain
Corné, Michele Felice 1752-1845
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Dicenta, Joaquín, 1862-1917
Image from Wikimedia Commons
The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
King, Wayne
Image from Wikimedia Commons
KesslerRonald - CC BY-SA 4.0
Shumiatcher, Morris Cyril, 1917-
Image from Wikimedia Commons
Unknown. Created before 1923; subject died 1894 - Public Domain
Thompson, Launt, 1833-1894
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Drexel, Katharine Mary, Saint, 1858-1955
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Marais, Marin, 1656-1728
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Georges Seguin (Okki - CC BY-SA 3.0
Coulais, Bruno
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Saporta, Gaston, marquis de, 1823-1895
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unknown - Public Domain
Huddleston, George, 1869-1960
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Greig, Alex
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McBride, John Rogers, 1832-1904
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Public Domain
Kinloch, Francis, 1755-1826
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Gentileschi, Orazio, 1563-1638?
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Jrn0074 - CC BY-SA 4.0
Jackson, Francis, 1917-
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Mooney, James, 1861-1921
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Seyffertitz, Gustav von, 1863-1943
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Margrethe II, Queen of Denmark, 1940-
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unknown - Public Domain
Battey, Robert, 1828-1895
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Tucker Collection - Public Domain
Richter, Hans, 1843-1916
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unknown - Public Domain
Carson, John Renshaw, 1887-1940
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Congressional Pictorial Directory - Public Domain
Quillen, James H. (James Henry), 1916-2003
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Ra Boe - CC BY-SA 3.0
Bruzdowicz, Joanna, 1943-....
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Kilwarden, Arthur Wolfe, Viscount, 1739-1803
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Schrimpf, Georg, 1889-1938
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Nordmeyer, Arnold
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unknown - Public Domain
Reynolds, Alexander Welch, 1817-1876
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Crawford, Fred L. (Fred Lewis), 1888-1957
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unknown - Public Domain
Barrande, Joachim, 1799-1883