Image from Wikimedia Commons
Aristide Delannoy (1874-1911) - Public Domain
United States Marine Corps photo - Public Domain
Benjamin Sonnenberg for Phillip Morris, the show's sponsor. - Public Domain
unknown - Public Domain
St Poe - CC BY 2.0
Robert Williams - CC BY-SA 2.0
Claudio Elias - Public Domain
Will Pittenger - CC BY-SA 3.0
Taken by Flickr user ioerror, Jacob Appelbaum - CC BY-SA 2.0
Stefi~commonswiki - Public Domain
GRT Records - Public Domain
Albert Rudomine - Public Domain
U.S. Court of Appeals for the Fifth Circuit - Public Domain
Antal Kotnyek, Fortepan - CC BY-SA 3.0
Photo Division, Ministry of Information & Broadcasting, Government of India - Public Domain
unknown photographer - Public Domain
Robert Willemsz. de Baudous - Public Domain
unknown -
Image from Wikimedia Commons
Warren, John Borlase, Sir, 1753-1822
Image from Wikimedia Commons
Serova, Valentina, 1917-1975
Image from Wikimedia Commons
Aristide Delannoy (1874-1911) - Public Domain
Pouget, Émile, 1860-1931
Image from Wikimedia Commons
United States Marine Corps photo - Public Domain
Brown, Wilburt Scott, 1900-1968
Image from Wikimedia Commons
Benjamin Sonnenberg for Phillip Morris, the show's sponsor. - Public Domain
Todman, Bill, 1916-1979
Image from Wikimedia Commons
unknown - Public Domain
Teague, Charles M. (Charles McKevett), 1909-1974
Image from Wikimedia Commons
St Poe - CC BY 2.0
Moceanu, Dominique, 1981-
Image from Wikimedia Commons
Robert Williams - CC BY-SA 2.0
Bennett, Harve
Image from Wikimedia Commons
Claudio Elias - Public Domain
Barco Centenera, Martín del, 1535-
Image from Wikimedia Commons
Will Pittenger - CC BY-SA 3.0
Mote Marine Laboratory (Sarasota, Fla.)
Image from Wikimedia Commons
Taken by Flickr user ioerror, Jacob Appelbaum - CC BY-SA 2.0
Dyson, Freeman J.
Image from Wikimedia Commons
Palmer, Ernest, 1885-1978
Image from Wikimedia Commons
Stefi~commonswiki - Public Domain
Mościcki, Ignacy, 1867-1946
Image from Wikimedia Commons
GRT Records - Public Domain
Gilley, Mickey
Image from Wikimedia Commons
Albert Rudomine - Public Domain
Rudomine, Albert, 1892-1975
Image from Wikimedia Commons
Weaver, Earl, 1930-2013
Image from Wikimedia Commons
U.S. Court of Appeals for the Fifth Circuit - Public Domain
Elrod, Jennifer Walker, 1966-
Image from Wikimedia Commons
Antal Kotnyek, Fortepan - CC BY-SA 3.0
Trnka, Jiří, 1912-1969
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Molin, Lars
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Timur, 1336-1405
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Photo Division, Ministry of Information & Broadcasting, Government of India - Public Domain
Dodds, Harold W. (Harold Willis), 1889-1980
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McCook, Henry C. (Henry Christopher), 1837-1911
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unknown photographer - Public Domain
Morante, Elsa, approximately 1912-1985
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Rosebery, Albert Edward Harry Meyer Archibald Primrose, Earl of, 1882-1974
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Broadhurst, Henry, 1840-1911
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unknown - Public Domain
Ridenour, James M.
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Smith, Julian Constable, 1885-1975.
Image from Wikimedia Commons
Robert Willemsz. de Baudous - Public Domain
Haarlem, Cornelis Corneliszoon van, 1562-1638
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unknown -
Einstein, Carl, 1885-1940
Image from Wikimedia Commons
unknown - Public Domain
Watson, John, 1685-1768