Image from Wikimedia Commons
user at project - CC BY-SA 3.0
Not stated - Public Domain
Seymour Lucas (painter) - Public Domain
KTC - CC BY-SA 4.0
U.S. Army - Public Domain
unknown - Public Domain
Bassano Ltd (active 1901-1962) - Public Domain
Bangs, New York. - Public Domain
Public Domain
Apeda - Public Domain
Nightscream - CC BY 3.0
''The Port Folio'', Dec 1814, Volume 4, #6 - Public Domain
The Walt Disney Company - Public Domain
C.M. Bell (Washington, DC), photographer. - Public Domain
Zheng Yongnian - CC BY-SA 3.0
Ronald L. Rivest - CC BY-SA 4.0
Image from Wikimedia Commons
Meyer, Adolf Bernhard, 1840-1911
Image from Wikimedia Commons
user at project - CC BY-SA 3.0
Scott, Darrell, 1959-
Image from Wikimedia Commons
Not stated - Public Domain
Windsor, H. H. (Henry Haven), 1859-1924
Image from Wikimedia Commons
Seymour Lucas (painter) - Public Domain
Ward, Rowland, 1848?-1912
Image from Wikimedia Commons
McKee, Joseph V., -1956
Image from Wikimedia Commons
KTC - CC BY-SA 4.0
Spolsky, Joel.
Image from Wikimedia Commons
Sutherland, John, 1808-1891
Image from Wikimedia Commons
Gondi, Pierre de 1533-1616
Image from Wikimedia Commons
U.S. Army - Public Domain
Sampson, Francis L., 1912-
Image from Wikimedia Commons
Morgan, J. P. (John Pierpont), 1867-1943
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Kamenev, Lev Borisovich, 1883-1936
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Artaud, W. (William), 1763-1823
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King, William Lyon Mackenzie, 1874-1950
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Newcastle, William Cavendish, Duke of, 1592-1676
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unknown - Public Domain
Brownback, Sam, 1956-
Image from Wikimedia Commons
Nolan, Doris, 1916-1998
Image from Wikimedia Commons
Purcell, Henry, 1659-1695
Image from Wikimedia Commons
Bassano Ltd (active 1901-1962) - Public Domain
Lennox-Boyd, Alan, 1904-1983
Image from Wikimedia Commons
Bangs, New York. - Public Domain
Franklin, Irene
Image from Wikimedia Commons
Public Domain
Kimball, Moses, 1809-1895
Image from Wikimedia Commons
Apeda - Public Domain
Lewis, Sheldon, 1868-1958
Image from Wikimedia Commons
Nightscream - CC BY 3.0
Madden, Matt.
Image from Wikimedia Commons
''The Port Folio'', Dec 1814, Volume 4, #6 - Public Domain
Elliott, Jesse D. (Jesse Duncan), 1782-1845
Image from Wikimedia Commons
Ramage, Lawson Paterson, 1909-1990
Image from Wikimedia Commons
The Walt Disney Company - Public Domain
Miranda, Aurora
Image from Wikimedia Commons
C.M. Bell (Washington, DC), photographer. - Public Domain
Bonynge, Robert W. (Robert William), 1863-1939
Image from Wikimedia Commons
Zheng Yongnian - CC BY-SA 3.0
Zheng, Yongnian.
Image from Wikimedia Commons
Brown, Jesse, 1944-2002
Image from Wikimedia Commons
Benjamin, Bennie, 1907-1989
Image from Wikimedia Commons
Ronald L. Rivest - CC BY-SA 4.0
Rivest, Ronald L.