Image from Wikimedia Commons
Elliott & Fry - Public Domain
Alan Light - CC BY 2.0
unknown - Public Domain
EduChaves55 - CC BY-SA 3.0
SAS Scandinavian Airlines - Public Domain
Dese'Rae L. Stage - CC BY 3.0
https://digitalcollections.nypl.org/items/7f591b21-5c9e-fa9a-e040-e00a18063d1c - Public Domain
LBaldwinHazardChase - CC BY-SA 4.0
Public Domain
unknown Army Air Corps photographer - Public Domain
Various - Public Domain
Office of United States Senator Dan Coats - Public Domain
film screenshot (Fox Film Corporation) -
V. Hardy - Public Domain
Image from Wikimedia Commons
Elliott & Fry - Public Domain
Waterhouse, Alfred, 1830-1905
Image from Wikimedia Commons
Alan Light - CC BY 2.0
Pinchot, Bronson
Image from Wikimedia Commons
unknown - Public Domain
Carnicer, Ramón, 1789-1855
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unknown - Public Domain
Ross, Adrian, 1859-1933
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Campbell, James E. (James Edwin), 1843-1924
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unknown - Public Domain
Ashby-Sterry, J. (Joseph), -1917
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EduChaves55 - CC BY-SA 3.0
Witkin, Joel-Peter, 1939-....
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Mann, James R. (James Robert), 1920-2010
Image from Wikimedia Commons
SAS Scandinavian Airlines - Public Domain
Gagarin, Yuri Alekseyevich, 1934-1968
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Greco, 1541?-1614
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Boas, J.E.V. (Johan Erik Vesti), 1855-1935
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Sedaris, David
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Dese'Rae L. Stage - CC BY 3.0
Ferrick, Melissa
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unknown - Public Domain
Morris, F. O. (Francis Orpen), 1810-1893
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https://digitalcollections.nypl.org/items/7f591b21-5c9e-fa9a-e040-e00a18063d1c - Public Domain
Garnet, Sarah Smith Tompkins, 1831-1911.
Image from Wikimedia Commons
LBaldwinHazardChase - CC BY-SA 4.0
Phillips, Peter, 1953-....
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Public Domain
Chesnutt, Charles W. (Charles Waddell), 1858-1932
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Oxley, John, 1783-1828
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unknown Army Air Corps photographer - Public Domain
Kelsey, Benjamin S., -1981
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Alan Light - CC BY 2.0
Quinn, Lorenzo, 1966-....
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Various - Public Domain
Masson, David, 1822-1907
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unknown - Public Domain
Poleni, Giovanni, 1683-1761
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Pigott, Emeline Jamison, 1836-1919
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Wilhelm I, Elector of Hesse-Kassel, 1743-1821
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unknown - Public Domain
Goshorn, A. T. (Alfred Traber), 1833-1902
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Office of United States Senator Dan Coats - Public Domain
Coats, Daniel R., 1943-
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Pauling, Linus, 1901-1994
Image from Wikimedia Commons
film screenshot (Fox Film Corporation) -
Garrick, Richard T., 1878-1962
Image from Wikimedia Commons
V. Hardy - Public Domain
Basin, Thomas, 1412-1491
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Vogt, John W., 1920-....