Image from Wikimedia Commons
unknown - Public Domain
Unknown, from 1916 - Public Domain
Puzzle Peep - CC BY-SA 3.0
Unknown - Public Domain
Mat Collishaw studio's photographer - CC BY-SA 4.0
team art in berlin - CC BY-SA 2.0
ATD QUART MONDE - CC BY 3.0
Alan Light - CC BY 2.0
Herber Hughes - CC BY-SA 4.0
unknown -
Konrad Jacobs - CC BY-SA 2.0
Kevin Dougherty - CC BY-SA 3.0
user at project - Public Domain
Pierre Belhassen - CC BY-SA 4.0
original uploader -
CBS Television - Public Domain
Image from Wikimedia Commons
unknown - Public Domain
Williams, Amancio
Image from Wikimedia Commons
Unknown, from 1916 - Public Domain
Gregory, William K. (William King), 1876-1970
Image from Wikimedia Commons
Puzzle Peep - CC BY-SA 3.0
Shortz, Will, 1952-
Image from Wikimedia Commons
Blakely, William Faris
Image from Wikimedia Commons
Unknown - Public Domain
Lepautre, Antoine, 1621-1679
Image from Wikimedia Commons
unknown - Public Domain
Jacobson, Ludvig Lewin, 1783-1843
Image from Wikimedia Commons
Castle, William
Image from Wikimedia Commons
Barkla, C. G. (Charles Glover), 1877-1944
Image from Wikimedia Commons
Shute, Josias, 1588-1643
Image from Wikimedia Commons
Mat Collishaw studio's photographer - CC BY-SA 4.0
Collishaw, Mat
Image from Wikimedia Commons
O'Neill, Dennis.
Image from Wikimedia Commons
team art in berlin - CC BY-SA 2.0
Goldin, Nan, 1953-....
Image from Wikimedia Commons
ATD QUART MONDE - CC BY 3.0
Wresinski, Joseph
Image from Wikimedia Commons
Roger, Henri, 1860-1946
Image from Wikimedia Commons
Alan Light - CC BY 2.0
Woggon, Bill
Image from Wikimedia Commons
Ferrell, Conchata
Image from Wikimedia Commons
Herber Hughes - CC BY-SA 4.0
Bowen, York, 1884-1961
Image from Wikimedia Commons
unknown -
Berbrugger, Adrien, 1801-1869
Image from Wikimedia Commons
Jensen, Leslie, 1892-1964
Image from Wikimedia Commons
Hampden, Renn Dickson, 1793-1868
Image from Wikimedia Commons
unknown - Public Domain
Yeamans, Annie, 1835-1912
Image from Wikimedia Commons
Konrad Jacobs - CC BY-SA 2.0
Toeplitz, Otto, 1881-1940
Image from Wikimedia Commons
Kevin Dougherty - CC BY-SA 3.0
Nankin, Michael
Image from Wikimedia Commons
user at project - Public Domain
Mitchison, Naomi, 1897-1999
Image from Wikimedia Commons
Williams, Henry Shaler, 1847-1918
Image from Wikimedia Commons
unknown - Public Domain
Harriss, Charles A. E.
Image from Wikimedia Commons
Pierre Belhassen - CC BY-SA 4.0
Leiter, Saul, 1923-2013
Image from Wikimedia Commons
Cooper, Henry Allen, 1850-1931
Image from Wikimedia Commons
original uploader -
Massey, Douglas S.
Image from Wikimedia Commons
CBS Television - Public Domain
Coco, James