Image from Wikimedia Commons
Michelle Harlow (:en:Reinhardt College -
John Wesley Jarvis - Public Domain
http://en.wikipedia.org/wiki/Astavrou - Public Domain
unknown - Public Domain
Bert Verhoeff / Anefo - CC0 1.0
Ecelan -
Chemical Institute of America - Public Domain
Contemporary portrait - Public Domain
Public Domain
Jordiferrer - CC BY-SA 3.0
unknown photographer - Public Domain
Los Angeles Times - Public Domain
Photographer Maurice Ambler, as a work-for-hire for the Victoria and Albert Museum -
maryjanie36 - CC BY 2.0
Falcon117 - CC BY-SA 3.0
Image from Wikimedia Commons
Michelle Harlow (:en:Reinhardt College -
Hood, Mary
Image from Wikimedia Commons
John Wesley Jarvis - Public Domain
Jay, Peter A. (Peter Augustus), 1776-1843
Image from Wikimedia Commons
McCree, Wade H. (Wade Hampton), 1920-1987
Image from Wikimedia Commons
http://en.wikipedia.org/wiki/Astavrou - Public Domain
Constantine XI Palaeologus, Emperor of the East, 1405-1453
Image from Wikimedia Commons
unknown - Public Domain
Van Eps, Fred, 1878-1960
Image from Wikimedia Commons
Bert Verhoeff / Anefo - CC0 1.0
Browne, Walter
Image from Wikimedia Commons
Ecelan -
Blasco, Eusebio, 1844-1903
Image from Wikimedia Commons
Vonnoh, Robert William, 1858-1933
Image from Wikimedia Commons
Smirke, Robert, 1752-1845
Image from Wikimedia Commons
Wille, Bruno, 1860-1928
Image from Wikimedia Commons
Chemical Institute of America - Public Domain
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940
Image from Wikimedia Commons
Contemporary portrait - Public Domain
Howard, John, 1726-1790
Image from Wikimedia Commons
Public Domain
Fortunato, Giustino, 1848-1932
Image from Wikimedia Commons
Le Chatelier, Henri, 1850-1936
Image from Wikimedia Commons
Jordiferrer - CC BY-SA 3.0
Bickerton, Derek.
Image from Wikimedia Commons
Černík, Oldřich, 1921-1994
Image from Wikimedia Commons
unknown photographer - Public Domain
Patterson, Malcolm R. (Malcolm Rice), 1861-1935
Image from Wikimedia Commons
unknown photographer - Public Domain
Stebbins, Emma, 1815-1882
Image from Wikimedia Commons
Gilman, Harold John Wilde, 1876-1919
Image from Wikimedia Commons
Wilson, Huntington, 1875-
Image from Wikimedia Commons
Archenholz, Johann Wilhelm von 1743-1812
Image from Wikimedia Commons
Weiner, Lawrence
Image from Wikimedia Commons
Public Domain
Carroll, John A. (John Albert), 1901-1983
Image from Wikimedia Commons
Vergil, Polydore, 1470?-1555
Image from Wikimedia Commons
Los Angeles Times - Public Domain
Farrell, James A. (James Augustine), 1863-1943
Image from Wikimedia Commons
Photographer Maurice Ambler, as a work-for-hire for the Victoria and Albert Museum -
Cox, Trenchard, 1905-1995
Image from Wikimedia Commons
maryjanie36 - CC BY 2.0
Hall, Terry (Vocalist)
Image from Wikimedia Commons
Dachau (Concentration camp)
Image from Wikimedia Commons
Falcon117 - CC BY-SA 3.0
Lykken, David Thoreson
Image from Wikimedia Commons
Ai, Weiwei