Image from Wikimedia Commons
unknown photographer -
C. Kurtz (Zeichner), Carl August Deis - Public Domain
Lalupa - CC BY-SA 3.0
Emília Braga - Public Domain
Undetermined -
José Jiménez Aranda (1837-1903) (by Rockger21) - Public Domain
Winglois - CC BY-SA 3.0
United States Army - Public Domain
unknown -
James Stanislaus Easby-Smith - Public Domain
Endre Nemes - CC BY-SA 3.0
No photographer named in original source. - Public Domain
From a painting by John Collier - Public Domain
WesWashington433 - CC BY-SA 3.0
Munsey's Magazine - Public Domain
Steve Mynett - CC BY 2.0
Sturm, Horst -
CBS - Public Domain
Seattle Municipal Archives - CC BY 2.0
Public Domain
Augustus Lukeman - Public Domain
Alfred Wegener - CC BY-SA 4.0
Image from Wikimedia Commons
unknown photographer -
Dorgelo, Hendrik Berend, 1894-1961
Image from Wikimedia Commons
C. Kurtz (Zeichner), Carl August Deis - Public Domain
Kücken, Friedrich Wilhelm, 1810-1882
Image from Wikimedia Commons
Lalupa - CC BY-SA 3.0
Fracassini, Cesare, 1838-1868
Image from Wikimedia Commons
Sayers, F. (Frank), 1763-1817
Image from Wikimedia Commons
Emília Braga - Public Domain
Santos, Manuel Inôcencio Liberato dos 1805-1887
Image from Wikimedia Commons
Gegenbaur, C. (Carl), 1826-1903
Image from Wikimedia Commons
Undetermined -
Kettle, Tom, 1880-1916
Image from Wikimedia Commons
José Jiménez Aranda (1837-1903) (by Rockger21) - Public Domain
Sorolla, Joaquín, 1863-1923
Image from Wikimedia Commons
Winglois - CC BY-SA 3.0
Ye, Qianwen, 1961-
Image from Wikimedia Commons
United States Army - Public Domain
Starbird, Alfred D. (Alfred Dodd), 1912-1983
Image from Wikimedia Commons
unknown -
Jackson, Esther Cooper, 1917-2022
Image from Wikimedia Commons
James Stanislaus Easby-Smith - Public Domain
Stafford, Wendell Phillips, 1861-
Image from Wikimedia Commons
Gherardo, da Cremona, 1113 or 1114-1187
Image from Wikimedia Commons
Endre Nemes - CC BY-SA 3.0
Nemes, Endre, 1909-
Image from Wikimedia Commons
No photographer named in original source. - Public Domain
Dargan, Olive Tilford, 1869-1968
Image from Wikimedia Commons
Woods, John, 1794-1855
Image from Wikimedia Commons
Eikaas, Ludvig, 1920-2010
Image from Wikimedia Commons
From a painting by John Collier - Public Domain
Haines, F. P. (Frederick Paul), 1819-1909
Image from Wikimedia Commons
WesWashington433 - CC BY-SA 3.0
Hurt, Mary Beth
Image from Wikimedia Commons
Munsey's Magazine - Public Domain
Atkinson, W. Y. (William Yates), 1854-1899
Image from Wikimedia Commons
Steve Mynett - CC BY 2.0
Person, Houston
Image from Wikimedia Commons
Sturm, Horst -
Engel, Erich, 1891-1966.
Image from Wikimedia Commons
CBS - Public Domain
Plummer, Amanda
Image from Wikimedia Commons
Glière, Reinhold.
Image from Wikimedia Commons
Ricci, Scipione de', 1741-1810
Image from Wikimedia Commons
D'Abernon, Helen, viscountess
Image from Wikimedia Commons
Seattle Municipal Archives - CC BY 2.0
Coolidge, Rita
Image from Wikimedia Commons
Public Domain
Stans, Maurice H., 1908-1998
Image from Wikimedia Commons
Augustus Lukeman - Public Domain
George, James Z. (James Zachariah), 1826-1897
Image from Wikimedia Commons
Alfred Wegener - CC BY-SA 4.0
Braitenberg, Valentino