Image from Wikimedia Commons
author - Public Domain
Erling Mandelmann - CC BY-SA 3.0
William Stocking, Gordon K. Miller - Public Domain
Edwin Levick - Public Domain
unknown - Public Domain
Robobix - CC BY-SA 4.0
US gov - Public Domain
Maurice Dulac - Public Domain
unknown -
Uncredited. Published by the United States Information Service. - Public Domain
The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
William Wallace Blair<br>Compiled by: Frederick B. Blair - Public Domain
user at project - Public Domain
Baszoetekouw - Public Domain
Image from Wikimedia Commons
author - Public Domain
Ferguson, Samuel Wragg, 1834-1917
Image from Wikimedia Commons
Erling Mandelmann - CC BY-SA 3.0
Borgeaud, Nelly, 1931-2004
Image from Wikimedia Commons
William Stocking, Gordon K. Miller - Public Domain
Williams, John R., 1782-1854
Image from Wikimedia Commons
Edwin Levick - Public Domain
Whigham, H. J. (Henry James), 1869-1954
Image from Wikimedia Commons
Street, G. A. (Geoffrey Austin), 1894-1940
Image from Wikimedia Commons
unknown - Public Domain
Lincoln, Frederick Charles, 1892-
Image from Wikimedia Commons
Robobix - CC BY-SA 4.0
Christiansen, C. (Christian), 1843-1917
Image from Wikimedia Commons
Secker, Thomas, 1693-1768
Image from Wikimedia Commons
US gov - Public Domain
Sekula-Gibbs, Shelley, 1953-
Image from Wikimedia Commons
Maurice Dulac - Public Domain
Thomson, Gaston, 1848-1932
Image from Wikimedia Commons
unknown - Public Domain
O'Konski, Alvin E. (Alvin Edward), 1904-1987
Image from Wikimedia Commons
unknown -
Eneström, G. (Gustaf), 1852-1923
Image from Wikimedia Commons
Shober, Francis E. (Francis Edwin), 1831-1896
Image from Wikimedia Commons
Campbell, Colin, Lady, 1857-1911
Image from Wikimedia Commons
unknown - Public Domain
Smith, Lyman Cornelius, 1850-1910
Image from Wikimedia Commons
Hadley, Lindley H. (Lindley Hoag), 1861-1948
Image from Wikimedia Commons
Ames, Fisher, 1758-1808
Image from Wikimedia Commons
Uncredited. Published by the United States Information Service. - Public Domain
Kirk, Grayson L. (Grayson Louis), 1903-1997
Image from Wikimedia Commons
The Gillimas Service, New York (probably a publicity outlet for Lucky Strike, the radio show's sponsor) - Public Domain
King, Wayne
Image from Wikimedia Commons
William Wallace Blair<br>Compiled by: Frederick B. Blair - Public Domain
Blair, W. W. (William Wallace), 1828-1896
Image from Wikimedia Commons
Sandys, Edwin, 1519?-1588
Image from Wikimedia Commons
Kuchel, Thomas H.
Image from Wikimedia Commons
Śankarācārya
Image from Wikimedia Commons
user at project - Public Domain
Vries, Erwin de 1929-
Image from Wikimedia Commons
Halloran, Laurence Hynes, 1766-1831
Image from Wikimedia Commons
Gierek, Edward, 1913-2001
Image from Wikimedia Commons
Baszoetekouw - Public Domain
Minnaert, M. G. J. (Marcel Gilles Jozef), 1893-1970
Image from Wikimedia Commons
Thayer, Nathaniel, 1808-1883
Image from Wikimedia Commons
Friedrich Wilhelm, Elector of Brandenburg, 1620-1688
Image from Wikimedia Commons
Boumédiene, Houari, 1932-1978