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Original uploader was :nl:Jan Arkesteijn - Public Domain
U.S. Navy - Public Domain
Pan American Coffee Bureau - Public Domain
Etienne Jules Marey - CC0 1.0
Florida Memory -
Tiffany Productions - Public Domain
unknown - CC BY 4.0
Gage Skidmore - CC BY-SA 3.0
Administration fédérale des Etats-Unis - Public Domain
Described as "From an unfinished pencil sketch by Wentworth" - Public Domain
National Photo Company - Public Domain
*:File:Ayalaymavm.jpg - CC0 1.0
unknown - Public Domain
Aster, Agrupació Astronòmica de Barcelona - CC BY-SA 3.0
Roy Duke Evans - CC BY-SA 3.0
Contemporary portrait - Public Domain
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Original uploader was :nl:Jan Arkesteijn - Public Domain
Stephenson, George, 1781-1848
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U.S. Navy - Public Domain
Pollard, Jonathan Jay, 1954-
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Pan American Coffee Bureau - Public Domain
McManus, George, 1884-1954
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Lawrence, Ernest Orlando, 1901-1958
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Etienne Jules Marey - CC0 1.0
Marey, Étienne-Jules 1830-1904
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Garofalo, Raffaele, barone, 1851-1934
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Florida Memory -
Morris, Allen Covington, 1909-
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Rogers, William P. (William Pierce), 1913-2001
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Hentz, Caroline Lee, 1800-1856
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Shankar, Uday, 1900-1977
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Stoughton, William Lewis, 1827-1888
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Hearn, Lafcadio, 1850-1904
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Tiffany Productions - Public Domain
Santschi, Tom, 1879-1931
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Calcagnini, Celio, 1479-1541
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unknown - CC BY 4.0
Keilin, David, 1887-1963
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Gage Skidmore - CC BY-SA 3.0
MacFarlane, Seth, 1973-....
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Harland, Marion, 1830-1922
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Administration fédérale des Etats-Unis - Public Domain
Schultze, Charles L.
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White, Josh
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Described as "From an unfinished pencil sketch by Wentworth" - Public Domain
Brainard, John G. C. (John Gardiner Calkins), 1796-1828
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Berthier, Louis-Alexandre, 1753-1815
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National Photo Company - Public Domain
Miller, T. W. (Thomas Woodnutt), 1886-1975
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Northampton, William Parr, Marquis of, 1513-1571
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*:File:Ayalaymavm.jpg - CC0 1.0
Ayala, Francisco, 1906-2009
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unknown - Public Domain
Smith, Lot
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Aster, Agrupació Astronòmica de Barcelona - CC BY-SA 3.0
Sedov, L. I. (Leonid Ivanovich), 1907-1999
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Roy Duke Evans - CC BY-SA 3.0
Evans, Marion, 1935-
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Burko, Diane, 1945-
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Contemporary portrait - Public Domain
Fowler, Edward, 1632-1714
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Contemporary portrait - Public Domain
De la Warr, Thomas West, Baron, 1577-1618