Image from Wikimedia Commons
IlyaV - CC BY-SA 3.0
not stated - Public Domain
United States Army - Public Domain
Civil War Photograph Collection, Library of Congress - Public Domain
Dhokuav - CC BY-SA 3.0
From 1882's "Public Men of To-Day" by Phineas Camp Headley - Public Domain
unknown - Public Domain
6eck - CC BY-SA 3.0
Alan Light - CC BY 2.0
CrutchDerm2014 - CC BY-SA 4.0
Unknown photographer performing a work-for-hire for the Victoria and Albert Museum. -
:en:White Watson - CC BY-SA 2.0
*:File:Asad Ali Khan 2009.jpg - CC BY-SA 4.0
J. Lauffen, Frankfurt a.M. -
Image from Wikimedia Commons
Howell, George, 1833-1910
Image from Wikimedia Commons
Meyers, Jan, 1928-2019
Image from Wikimedia Commons
IlyaV - CC BY-SA 3.0
Gofman, John W.
Image from Wikimedia Commons
not stated - Public Domain
Rolleston, Christopher
Image from Wikimedia Commons
Vulʹf, E. V. (Evgeniĭ Vladimirovich), 1885-1941
Image from Wikimedia Commons
Welch, William Henry, 1850-1934
Image from Wikimedia Commons
United States Army - Public Domain
Whittlesey, Charles White, 1884-1921
Image from Wikimedia Commons
Civil War Photograph Collection, Library of Congress - Public Domain
Hatch, Edward, 1832-1889
Image from Wikimedia Commons
Greene, Frank L. (Frank Lester), 1870-1930
Image from Wikimedia Commons
Berkeley, George, 1685-1753
Image from Wikimedia Commons
Nugent, Edward, 1904-1995
Image from Wikimedia Commons
Dhokuav - CC BY-SA 3.0
Larsen, Kai.
Image from Wikimedia Commons
From 1882's "Public Men of To-Day" by Phineas Camp Headley - Public Domain
Strait, Horace Burton, 1835-1894
Image from Wikimedia Commons
unknown - Public Domain
Strong, Selah Brewster, 1792-1872
Image from Wikimedia Commons
Ryle, Herbert Edward, 1856-1925
Image from Wikimedia Commons
Castle, William R. (William Richards), 1878-1963
Image from Wikimedia Commons
6eck - CC BY-SA 3.0
Schöner, Ingeborg, 1935-
Image from Wikimedia Commons
Smollett, T. (Tobias), 1721-1771
Image from Wikimedia Commons
Alan Light - CC BY 2.0
Defore, Don, 1913-1993
Image from Wikimedia Commons
CrutchDerm2014 - CC BY-SA 4.0
Rillieux, Norbert, 1806-1894
Image from Wikimedia Commons
Gregory, James, 1638-1675
Image from Wikimedia Commons
Unknown photographer performing a work-for-hire for the Victoria and Albert Museum. -
Maclagan, Eric Robert Dalrymple, 1879-1951
Image from Wikimedia Commons
Cramer, John, Sir, 1896-
Image from Wikimedia Commons
unknown - Public Domain
Maffei, Andrea, 1798-1885
Image from Wikimedia Commons
:en:White Watson - CC BY-SA 2.0
Farey, John, 1766-1826
Image from Wikimedia Commons
*:File:Asad Ali Khan 2009.jpg - CC BY-SA 4.0
Khan, Asad Ali, 1937-2011
Image from Wikimedia Commons
Dean, Dizzy, 1910-1974
Image from Wikimedia Commons
J. Lauffen, Frankfurt a.M. -
Sprenger, Jakob, 1884-1945
Image from Wikimedia Commons
Juan, de Flandes, approximately 1465-1519
Image from Wikimedia Commons
Pershing, John J. (John Joseph), 1860-1948