Image from Wikimedia Commons
unknown Army Air Corps photographer - Public Domain
JohnPDeauv - CC BY-SA 4.0
Bain - Public Domain
No photographer credited. - Public Domain
FW_Guerin - Public Domain
Mathew Brady - Public Domain
unknown -
Olivier Strecker - CC BY-SA 3.0
Joel Neville Anderson - CC BY 2.0
Karel Kuklík - CC BY-SA 3.0
Unknown War Photographer - Public Domain
National Park Service - Public Domain
Vannerson & Jones, Richmond, - Public Domain
Shawn Brackbill - CC BY 2.0
Christopher Macsurak - CC BY 2.0
author - Public Domain
New York World-Telegram and the Sun staff photographer: DeMarsico, Dick, photographer; cropped by Beyond My Ken - Public Domain
Mahmood Al-Yousif - CC BY 2.0
unknown - Public Domain
Public Domain
Image from Wikimedia Commons
unknown Army Air Corps photographer - Public Domain
Kelsey, Benjamin S., -1981
Image from Wikimedia Commons
JohnPDeauv - CC BY-SA 4.0
Huppert, Caroline, 1950-....
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Bain - Public Domain
Woodward, Robert Simpson, 1849-1924
Image from Wikimedia Commons
No photographer credited. - Public Domain
Langenhoven, Cornelis Jakob, 1873-1932
Image from Wikimedia Commons
FW_Guerin - Public Domain
Eliot, Charlotte Champe Stearns, 1843-1929
Image from Wikimedia Commons
Mathew Brady - Public Domain
Noyes, William Curtis, 1805-1864
Image from Wikimedia Commons
unknown -
Engelmann, Th. W. (Th. Wilhelm), 1843-1909
Image from Wikimedia Commons
Olivier Strecker - CC BY-SA 3.0
Gans, Christophe, 1960-
Image from Wikimedia Commons
Heroult, Paul
Image from Wikimedia Commons
Joel Neville Anderson - CC BY 2.0
Gordon, Beate
Image from Wikimedia Commons
Holland, Thomas Erskine, 1835-1926
Image from Wikimedia Commons
Karel Kuklík - CC BY-SA 3.0
Zrzavý, Jan
Image from Wikimedia Commons
Unknown War Photographer - Public Domain
Lucas, John Porter, 1890-1949
Image from Wikimedia Commons
National Park Service - Public Domain
Burton, Phillip, 1926-1983
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Giannini, Dusolina, 1902-1986
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Odiot, Jean-Baptiste-Claude
Image from Wikimedia Commons
Vannerson & Jones, Richmond, - Public Domain
Chilton, R. H. (Robert Hall), 1816-1879
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Henderson, Arthur, 1863-1935
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McMillan, James, 1838-1902
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Goodyear, Charles, 1800-1860
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Shawn Brackbill - CC BY 2.0
Burrell, Dave, 1940-....
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Christopher Macsurak - CC BY 2.0
Carmen
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author - Public Domain
Hawes, R. (Richard), 1797-1877
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Hinkey, Frank Augustus, 1871-1925
Image from Wikimedia Commons
New York World-Telegram and the Sun staff photographer: DeMarsico, Dick, photographer; cropped by Beyond My Ken - Public Domain
Zeckendorf, William, 1905-1976
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Rice, Edward E. (Edward Everett), 1848-1924
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Mahmood Al-Yousif - CC BY 2.0
Sliwa, Curtis, 1954-
Image from Wikimedia Commons
Oliphant, Mrs. (Margaret), 1828-1897
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unknown - Public Domain
Arai, Hakuseki, 1657-1725
Image from Wikimedia Commons
Public Domain
Myers, Elijah E., 1832-1909