Image from Wikimedia Commons
Hammondite - CC BY-SA 3.0
unknown - Public Domain
Carnaval.com Studios, https://www.flickr.com/photos/aforum/ - CC BY 2.0
Harry PotNationaal Archief, Den Haag, Rijksfotoarchief: Fotocollectie Algemeen Nederlands Fotopersbureau (:w:Anefo -
Civil War glass negative collection (Library of Congress) - Public Domain
Eva Rinaldi - CC BY-SA 2.0
NASA and John Bedke (STScI) - Public Domain
Charles Cromwell Ingham (1796-1863) - Public Domain
Rob C. Croes / Anefo - CC BY-SA 3.0
Augustus Washington - Public Domain
anonymous - Public Domain
User :de:Michael Linnenbach - Public Domain
Günter Prust - CC BY 3.0
Contemporary photograph - Public Domain
Siméon, Edouard - Public Domain
Public Domain
United States Government - Public Domain
Image from Wikimedia Commons
Hammondite - CC BY-SA 3.0
Defrancesco, Joey
Image from Wikimedia Commons
unknown - Public Domain
Smedley, Agnes, 1892-1950
Image from Wikimedia Commons
Carnaval.com Studios, https://www.flickr.com/photos/aforum/ - CC BY 2.0
Modeliste, Zigaboo, 1948-
Image from Wikimedia Commons
Harry PotNationaal Archief, Den Haag, Rijksfotoarchief: Fotocollectie Algemeen Nederlands Fotopersbureau (:w:Anefo -
Lumumba, Patrice, 1925-1961
Image from Wikimedia Commons
Civil War glass negative collection (Library of Congress) - Public Domain
Taylor, Walter Herron, 1838-1916
Image from Wikimedia Commons
Egri, Ruth, 1911-1996
Image from Wikimedia Commons
Blundell, Graeme
Image from Wikimedia Commons
Eva Rinaldi - CC BY-SA 2.0
Collins, Pauline, 1940-....
Image from Wikimedia Commons
NASA and John Bedke (STScI) - Public Domain
Doxsey, R. (Rodger)
Image from Wikimedia Commons
Cassab, Judy, 1920-
Image from Wikimedia Commons
Vries, A. de (Abraham), 1773-1862
Image from Wikimedia Commons
Rojas, Ricardo, 1882-1957
Image from Wikimedia Commons
Charles Cromwell Ingham (1796-1863) - Public Domain
Drowne, Solomon, 1753-1834
Image from Wikimedia Commons
unknown - Public Domain
Lawes, Lewis Edward, 1883-1947
Image from Wikimedia Commons
Hendricks, Joseph Edward, 1903-
Image from Wikimedia Commons
Rob C. Croes / Anefo - CC BY-SA 3.0
Koryagin, Anatoly Ivanovich, 1938-
Image from Wikimedia Commons
unknown - Public Domain
Poznański, Samuel
Image from Wikimedia Commons
Augustus Washington - Public Domain
Priest, James M., -1883
Image from Wikimedia Commons
anonymous - Public Domain
Matvi︠e︡ev, Artamon Sergi︠e︡evich, 1625-1682
Image from Wikimedia Commons
Cole, Ralph D. (Ralph Dayton), 1873-1932
Image from Wikimedia Commons
Fry, William Henry, 1813-1864
Image from Wikimedia Commons
User :de:Michael Linnenbach - Public Domain
Butschli, O. (Otto), 1848-1920
Image from Wikimedia Commons
Zamoyski, August, 1893-1970
Image from Wikimedia Commons
Harvey, William, 1578–1657
Image from Wikimedia Commons
Sehrig-Vehling, Else 1897-
Image from Wikimedia Commons
Günter Prust - CC BY 3.0
Gray, Alasdair
Image from Wikimedia Commons
Contemporary photograph - Public Domain
Bosanquet, Bernard, 1848-1923
Image from Wikimedia Commons
Siméon, Edouard - Public Domain
Jordan, Camille, 1771-1821
Image from Wikimedia Commons
Public Domain
Cruger, John, 1710-1791
Image from Wikimedia Commons
United States Government - Public Domain
Christenberry, Herbert William, 1897-1975