Image from Wikimedia Commons
not stated - Public Domain
Discott - CC BY-SA 3.0
Charles Grignion I - Public Domain
Chava2222 - CC BY-SA 4.0
Charles Fenderich - Public Domain
Ida Orloff (hardly) - Public Domain
unknown - Public Domain
user at project - Public Domain
Angel Rodriguez-Rey - CC BY-SA 2.0
Harris & Ewing - Public Domain
Public Domain
The Big Lunch - CC BY-SA 2.0
Image from Wikimedia Commons
Gordin, Jacob, 1853-1909
Image from Wikimedia Commons
Saint-André, Jean-Bon, 1749-1813
Image from Wikimedia Commons
Glover, John, 1944-....
Image from Wikimedia Commons
Ward, Charles Dudley Robert, 1827-1913
Image from Wikimedia Commons
not stated - Public Domain
Laestadius, L. L. (Lars Levi), 1800-1861
Image from Wikimedia Commons
Discott - CC BY-SA 3.0
Rotberg, Robert I.
Image from Wikimedia Commons
Smith, Dave, 1942-
Image from Wikimedia Commons
Andersen, Joachim
Image from Wikimedia Commons
Branting, Hjalmar, 1860-1925
Image from Wikimedia Commons
Charles Grignion I - Public Domain
Leland, John, 1506?-1552
Image from Wikimedia Commons
Patterson, Daniel Todd, 1786-1839
Image from Wikimedia Commons
Chava2222 - CC BY-SA 4.0
Moncayo, José Pablo, 1912-1958
Image from Wikimedia Commons
Charles Fenderich - Public Domain
Dickinson, John Dean, 1767-1841
Image from Wikimedia Commons
Bennett, John Hughes, 1812-1875
Image from Wikimedia Commons
Rodríguez, Abelardo L. (Abelardo Luján), 1889-1967
Image from Wikimedia Commons
Zewail, Ahmed H.
Image from Wikimedia Commons
Mulvey, Laura
Image from Wikimedia Commons
Ida Orloff (hardly) - Public Domain
Orloff, Ida, 1889-1945
Image from Wikimedia Commons
Johnston, David L.
Image from Wikimedia Commons
unknown - Public Domain
Rauschenbusch, Walter, 1861-1918
Image from Wikimedia Commons
user at project - Public Domain
Vries, Erwin de 1929-
Image from Wikimedia Commons
Angel Rodriguez-Rey - CC BY-SA 2.0
Iglesia, Álex de la, 1965-
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Morgan, Dick T. (Dick Thompson), 1853-1920
Image from Wikimedia Commons
Irwin, Wallace, 1876-1959
Image from Wikimedia Commons
Public Domain
Pettit, John, 1807-1877
Image from Wikimedia Commons
The Big Lunch - CC BY-SA 2.0
Camilla, Queen, consort of Charles III, King of Great Britain, 1947-
Image from Wikimedia Commons
unknown - Public Domain
Pollexfen, Henry, Sir, 1632?-1691
Image from Wikimedia Commons
unknown - Public Domain
Conway, James Sevier, 1798-1855
Image from Wikimedia Commons
Durack, Peter, 1926-
Image from Wikimedia Commons
unknown - Public Domain
Brignole, Giacomo Luigi 1797-1853 card