Image from Wikimedia Commons
George Franklyn Willey (apparently) - Public Domain
michael shapiro - Public Domain
unknown - Public Domain
Sir Stephen Glynne - Public Domain
Herbert Lambert (1881-1936) - Public Domain
Paramount Pictures - Public Domain
Robert Scoble - CC BY 2.0
unknown - CC BY 3.0
István Goszleth - Public Domain
Tucker Collection - Public Domain
Partridge, American Photographer - Public Domain
Étienne Carjat Upload, stitch and restoration by Jebulon - Public Domain
John Smith, after Timothy Stephenson - Public Domain
U.S. Air Force - Public Domain
Image from Wikimedia Commons
George Franklyn Willey (apparently) - Public Domain
Moulton, Mace, 1796-1867
Image from Wikimedia Commons
michael shapiro - Public Domain
Shapiro, Michael, 1951-
Image from Wikimedia Commons
unknown - Public Domain
Wadsworth, Peleg, 1748-1829
Image from Wikimedia Commons
Sir Stephen Glynne - Public Domain
Glynne, Stephen Richard, Sir, 1807-1874
Image from Wikimedia Commons
Herbert Lambert (1881-1936) - Public Domain
Bax, Arnold
Image from Wikimedia Commons
Murphy, William J. (William John), 1839-1923
Image from Wikimedia Commons
Stone, William Henry, 1828-1901
Image from Wikimedia Commons
unknown - Public Domain
Clay, Henry, 1811-1847
Image from Wikimedia Commons
Jones, Jennifer, 1919-2009
Image from Wikimedia Commons
unknown - Public Domain
Mouchon, Louis-Eugène
Image from Wikimedia Commons
Rice, Edward E. (Edward Everett), 1848-1924
Image from Wikimedia Commons
Paramount Pictures - Public Domain
Brewer, Teresa
Image from Wikimedia Commons
Clinton, Kate
Image from Wikimedia Commons
Robert Scoble - CC BY 2.0
Siegel, Alan M. (Alan Michael), 1938-
Image from Wikimedia Commons
Tickell, Thomas, 1685-1740
Image from Wikimedia Commons
unknown - CC BY 3.0
Lippi-Green, Rosina
Image from Wikimedia Commons
István Goszleth - Public Domain
Thomson, César, 1857-1931
Image from Wikimedia Commons
Petrov, Grigoriĭ Spiridonovich, 1868-1927
Image from Wikimedia Commons
Holmes, Frederic Lawrence.
Image from Wikimedia Commons
Zehnder, Ludwig, 1854-
Image from Wikimedia Commons
Isabella d'Este, consort of Francesco II Gonzaga, Marquis of Mantua, 1474-1539
Image from Wikimedia Commons
Rivers, Joan.
Image from Wikimedia Commons
unknown - Public Domain
Mohammed el-Moncef, Bey of Tunis, 1881-1948
Image from Wikimedia Commons
Tucker Collection - Public Domain
Richter, Hans, 1843-1916
Image from Wikimedia Commons
Zhang, Xueyou
Image from Wikimedia Commons
Partridge, American Photographer - Public Domain
Perkins, Frederic B. (Frederic Beecher), 1828-1899
Image from Wikimedia Commons
Étienne Carjat Upload, stitch and restoration by Jebulon - Public Domain
Carjat, Étienne 1828-1906
Image from Wikimedia Commons
John Smith, after Timothy Stephenson - Public Domain
Smith, Thomas, 1614-1702
Image from Wikimedia Commons
Arntzenius, Floris, 1864-1925
Image from Wikimedia Commons
U.S. Air Force - Public Domain
Taylor, Robert P. (Robert Preston), 1909-1997