Image from Wikimedia Commons
Jürgen Eissink - CC BY-SA 4.0
unknown - Public Domain
Bain News Service, publisher - Public Domain
New York World-Telegram and the Sun staff photographer: Palumbo, Fred, photographer. - CC0 1.0
Samuel Cousins Washington Allston - Public Domain
Mieremet, Rob / Anefo -
Samuel Laurence - Public Domain
ABC Television - Public Domain
U.S. Navy photo by John F. Williams - Public Domain
Glyn Philpot (1884-1937) - Public Domain
Ruth Gledhill - CC BY-SA 2.5
Public Domain
Elliott & Fry - Public Domain
Stephencdickson - CC BY-SA 4.0
Princeton University, courtesy Prof. Schwarzchild - CC BY-SA 3.0
Tom Marcello - CC BY-SA 2.0
ETH Zürich - CC BY-SA 3.0
Photographer not credited - Public Domain
Indolent Dandy - CC BY-SA 2.0
en - CC BY-SA 3.0
Image from Wikimedia Commons
Jürgen Eissink - CC BY-SA 4.0
Welby, Victoria, Lady, 1837-1912
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Barnett, Curtis, approximately 1696-1746
Image from Wikimedia Commons
unknown - Public Domain
Rosanes, Jakob
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Subotnick, Morton
Image from Wikimedia Commons
Bain News Service, publisher - Public Domain
Herter, Albert, 1871-1950
Image from Wikimedia Commons
Goodenough, Samuel, 1743-1827
Image from Wikimedia Commons
New York World-Telegram and the Sun staff photographer: Palumbo, Fred, photographer. - CC0 1.0
Crosby, Israel
Image from Wikimedia Commons
Blane, Gilbert, Sir, 1749-1834
Image from Wikimedia Commons
Samuel Cousins Washington Allston - Public Domain
Coleridge, Samuel Taylor, 1772-1834
Image from Wikimedia Commons
Mieremet, Rob / Anefo -
Lecourt, Robert, 1908-2004
Image from Wikimedia Commons
Samuel Laurence - Public Domain
Kenney, James, 1780-1849
Image from Wikimedia Commons
ABC Television - Public Domain
Floren, Myron
Image from Wikimedia Commons
U.S. Navy photo by John F. Williams - Public Domain
Nye, Bill
Image from Wikimedia Commons
Glyn Philpot (1884-1937) - Public Domain
Whitley, J. H.
Image from Wikimedia Commons
Ruth Gledhill - CC BY-SA 2.5
Caro, Anthony, 1924-2013
Image from Wikimedia Commons
Public Domain
Webster, John White, 1793-1850
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Elliott & Fry - Public Domain
Strachey, John, Sir, 1823-1907
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Derek, John, 1926-1998
Image from Wikimedia Commons
Stephencdickson - CC BY-SA 4.0
Innes, A. Taylor (Alexander Taylor), 1833-1912
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Princeton University, courtesy Prof. Schwarzchild - CC BY-SA 3.0
Schwarzschild, Martin
Image from Wikimedia Commons
Tom Marcello - CC BY-SA 2.0
Jones, Elvin.
Image from Wikimedia Commons
unknown - Public Domain
Toaldo, Giuseppe, 1719-1797
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ETH Zürich - CC BY-SA 3.0
Weyl, Hermann, 1885-1955
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Leoni, Ottavio, approximately 1578-1630
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Borden, Olive, 1906-1947
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Hogarth, William, 1697-1764
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Bismarck, Otto, Fürst von, 1815-1898
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Photographer not credited - Public Domain
Lassiter, Francis Rives, 1866-1909
Image from Wikimedia Commons
Indolent Dandy - CC BY-SA 2.0
Amos, Tori
Image from Wikimedia Commons
en - CC BY-SA 3.0
Bin Laden, Osama, 1957-2011