Image from Wikimedia Commons
Emilius Bærentzen and C. M. Tegner; - Public Domain
Stepan Alexandrovsky - Public Domain
Johnson Briscoe - Public Domain
Herald Mosley - Public Domain
anonymous -
unknown - Public Domain
Waldon Fawcett - Public Domain
Harris & Ewing - Public Domain
unidentified artist - Public Domain
Charles Reutlinger, b.1816 - Public Domain
Frank Shuman, retouched by Ezarate - CC BY-SA 3.0
George Grantham Bain Collection (Library of Congress) - Public Domain
Jos van Zetten - CC BY 2.0
Image from Wikimedia Commons
Jones, Thomas Ap Catesby, 1790-1858
Image from Wikimedia Commons
Emilius Bærentzen and C. M. Tegner; - Public Domain
Nielsen, Augusta, 1822-1902
Image from Wikimedia Commons
Boorman, John, 1933-....
Image from Wikimedia Commons
Sugerman, Bernard, Sir, 1904-1976
Image from Wikimedia Commons
Stepan Alexandrovsky - Public Domain
Premazzi, Luigi, 1814-1891
Image from Wikimedia Commons
Saulsbury, Willard, 1861-1927
Image from Wikimedia Commons
Kinnear, Greg, 1963-....
Image from Wikimedia Commons
Johnson Briscoe - Public Domain
Gillingwater, Claude, 1870-1939
Image from Wikimedia Commons
Vanderbilt, Gloria Morgan, 1904-1965
Image from Wikimedia Commons
Combe, Thomas, 1797-1872
Image from Wikimedia Commons
Herald Mosley - Public Domain
Cannon, Gus, 1883-1979
Image from Wikimedia Commons
Craven, Elizabeth Craven, Baroness, 1750-1828
Image from Wikimedia Commons
anonymous -
Drieu la Rochelle, Pierre, 1893-1945
Image from Wikimedia Commons
unknown - Public Domain
Bent, William, 1809-1869
Image from Wikimedia Commons
Waldon Fawcett - Public Domain
Chanute, Octave, 1832-1910
Image from Wikimedia Commons
Gans, Eduard, 1797-1839
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Ayres, Steven B. (Steven Beckwith), 1861-1929
Image from Wikimedia Commons
Marshall, David, 1908-1995
Image from Wikimedia Commons
Hofmann, Albert, 1906-2008
Image from Wikimedia Commons
unidentified artist - Public Domain
Elliott, Stephen, 1771-1830
Image from Wikimedia Commons
Lee, Russell, 1903-1986
Image from Wikimedia Commons
Schirach, Baldur von 1907-1974
Image from Wikimedia Commons
unknown - Public Domain
Goold-Adams, Hamilton John, Sir, 1858-1920
Image from Wikimedia Commons
Charles Reutlinger, b.1816 - Public Domain
Fizeau, H. (Hippolyte), 1819-1896
Image from Wikimedia Commons
Frank Shuman, retouched by Ezarate - CC BY-SA 3.0
Shuman, Frank 1862-1918
Image from Wikimedia Commons
unknown - Public Domain
Gramsci, Antonio, 1891-1937
Image from Wikimedia Commons
George Grantham Bain Collection (Library of Congress) - Public Domain
Austin, Gene, 1900-1972
Image from Wikimedia Commons
unknown - Public Domain
Greenhow, Rose O'Neal, 1814-1864
Image from Wikimedia Commons
Maury, Jean Siffrein, 1746-1817
Image from Wikimedia Commons
Jos van Zetten - CC BY 2.0
Heertje, Arnold, 1934-....