Image from Wikimedia Commons
Louis Mercanton et René Hervil - Public Domain
Aimé Dupont - Public Domain
Public Domain
Henry Ridgely Evans - Public Domain
Fernand Fau - Public Domain
Filmcity57 - Public Domain
unknown - Public Domain
cliff1066™ - CC BY 2.0
Joop van Bilsen - CC BY-SA 3.0
Ron van der Kolk - CC BY 2.5
U.S. Army Office of Public Affairs - Public Domain
Daggett died pre-1920, and this picture was published during his lifetime, and therefore in the public domain. I release it. - Public Domain
Image from Wikimedia Commons
Kops, Jan, 1765-1849
Image from Wikimedia Commons
Louis Mercanton et René Hervil - Public Domain
Marchal, Arlette, 1902-1984
Image from Wikimedia Commons
Ries, Franz
Image from Wikimedia Commons
Winsor, Mulford, 1874-1956
Image from Wikimedia Commons
Aimé Dupont - Public Domain
Glasgow, Ellen Anderson Gholson, 1873-1945
Image from Wikimedia Commons
Thouin, André, 1747-1824
Image from Wikimedia Commons
Devereux, James P. S. (James Patrick Sinnott), 1903-1988
Image from Wikimedia Commons
Grove, George, 1820-1900
Image from Wikimedia Commons
Public Domain
Keim, William High, 1813-1862.
Image from Wikimedia Commons
Henry Ridgely Evans - Public Domain
Soo, Chung Ling, 1861-1918
Image from Wikimedia Commons
Meissner, Otto, 1880-1953
Image from Wikimedia Commons
Fernand Fau - Public Domain
Cazals, F.-A. (Frédéric-Auguste), 1865-1941
Image from Wikimedia Commons
Filmcity57 - Public Domain
David, Clifford
Image from Wikimedia Commons
unknown - Public Domain
Oliphant, Elmer Q. (Elmer Quillen), 1893-1975
Image from Wikimedia Commons
unknown - Public Domain
Wallace, Donald Mackenzie, 1841-1919
Image from Wikimedia Commons
cliff1066™ - CC BY 2.0
Weinman, Adolph A. (Adolph Alexander), 1870-1952
Image from Wikimedia Commons
Joop van Bilsen - CC BY-SA 3.0
Oort, Jan Hendrik
Image from Wikimedia Commons
Ron van der Kolk - CC BY 2.5
Thielemans, Toots
Image from Wikimedia Commons
U.S. Army Office of Public Affairs - Public Domain
Williams, E. T. (Edward Thomas), 1901-1973
Image from Wikimedia Commons
Daggett died pre-1920, and this picture was published during his lifetime, and therefore in the public domain. I release it. - Public Domain
Daggett, Aaron Simon, 1837-1938
Image from Wikimedia Commons
Edison, Charles A., 1890-1969
Image from Wikimedia Commons
Public Domain
Bayh, Birch, 1928-....
Image from Wikimedia Commons
Beato, Felice, approximately 1825-
Image from Wikimedia Commons
unknown - Public Domain
Villas, Violetta
Image from Wikimedia Commons
unknown - Public Domain
Barron, Clarence W. (Clarence Walker), 1855-1928
Image from Wikimedia Commons
Woods, Leonard, 1807-1878
Image from Wikimedia Commons
Haddix, Harvey, 1925-1994
Image from Wikimedia Commons
Waite, John, 1955-
Image from Wikimedia Commons
unknown - Public Domain
Buschke, Abraham, 1868-1943
Image from Wikimedia Commons
Public Domain
Watkin, Henry, 1824-1910