Image from Wikimedia Commons
unknown - Public Domain
Von Jung gezeichnet und W. Arndt gestochen. - Public Domain
original uploader - Public Domain
"San Francisco Call" newspaper. - Public Domain
Gershwin91 -
"Photo by Messrs. Dickinson, London, New Bond Street" (according to http://www.sil.si.edu/DigitalCollections/hst/scientific-identity/fullsize/SIL14-T002-07a.jpg) -
M.C. Clapyohands - CC BY-SA 4.0
Harris & Ewing -
Selbymay - CC BY-SA 4.0
State of South Dakota - Public Domain
Uyvsdi - Public Domain
photo by G. Camus - Public Domain
United States Government - Public Domain
US Federal Government - Public Domain
Sebastian Furck - Public Domain
Image from Wikimedia Commons
Sherlock, Thomas, 1678-1761
Image from Wikimedia Commons
unknown - Public Domain
Flynn, John, 1880-1951
Image from Wikimedia Commons
Cust, Robert Needham, 1821-1909
Image from Wikimedia Commons
Lacuée, Jean-Girard, comte de Cessac, 1752-1841
Image from Wikimedia Commons
Brown, Carlinhos
Image from Wikimedia Commons
Vaganova, A. I︠A︡. (Agrippina I︠A︡kovlevna), 1879-1951
Image from Wikimedia Commons
Croke, Thomas
Image from Wikimedia Commons
Von Jung gezeichnet und W. Arndt gestochen. - Public Domain
Weiss, Christian Samuel, 1780-1856
Image from Wikimedia Commons
original uploader - Public Domain
Santa Cruz y Espejo, Francisco Xavier Eugenio de, 1747-1795
Image from Wikimedia Commons
"San Francisco Call" newspaper. - Public Domain
Hoffman, Ogden, 1822-1891
Image from Wikimedia Commons
Hughes, Gareth, 1894-1965
Image from Wikimedia Commons
Gershwin91 -
Goldblatt, Joe Jeff, 1952-
Image from Wikimedia Commons
"Photo by Messrs. Dickinson, London, New Bond Street" (according to http://www.sil.si.edu/DigitalCollections/hst/scientific-identity/fullsize/SIL14-T002-07a.jpg) -
Kelvin, William Thomson, baron, 1824-1907
Image from Wikimedia Commons
M.C. Clapyohands - CC BY-SA 4.0
Barsch, Wulf, 1943-
Image from Wikimedia Commons
Harris & Ewing -
McNinch, Frank R. (Frank Ramsay), 1873-1950
Image from Wikimedia Commons
Lewis, Shari
Image from Wikimedia Commons
Selbymay - CC BY-SA 4.0
Frank
Image from Wikimedia Commons
original uploader - Public Domain
Büchmann, Georg, 1822-1884
Image from Wikimedia Commons
State of South Dakota - Public Domain
Herseth, Ralph E., 1909-1969
Image from Wikimedia Commons
Whiston, William, 1667-1752
Image from Wikimedia Commons
Uyvsdi - Public Domain
Hogan, Linda
Image from Wikimedia Commons
Baṇḍāranāyaka, Sirimāvō 1916-2000
Image from Wikimedia Commons
photo by G. Camus - Public Domain
Guiraud, Ernest, 1837-1892
Image from Wikimedia Commons
Orléans, Philippe, duc d', 1640-1701
Image from Wikimedia Commons
United States Government - Public Domain
Stanley, Arthur Jehu, 1901-
Image from Wikimedia Commons
Post, Philip Sidney, 1833-1895
Image from Wikimedia Commons
Garner, Peggy Ann
Image from Wikimedia Commons
Swann, Michael Swann, Baron, 1920-1990
Image from Wikimedia Commons
US Federal Government - Public Domain
Schaufele, William E.
Image from Wikimedia Commons
Sebastian Furck - Public Domain
herbst, Johann Andreas, 1588-1666