Image from Wikimedia Commons
--Jacob Burckhardt -
*:File:GeorgeGallup.gif - Public Domain
unknown photographer - Public Domain
engraved by W. Delff after a painting by C. Duyster - Public Domain
Slowking -
unknown - Public Domain
Marcovalerio marletta - Public Domain
Post of Romania - Public Domain
Du Bois 11 - CC BY-SA 4.0
MohenjoDaro - CC BY-SA 2.0
Sinednov - CC BY-SA 4.0
Norman Abramson - Public Domain
Airbourne92. - CC BY-SA 3.0
user at project -
El Liberal, Madrid - Public Domain
no mention -
Bert Nienhuis - CC BY-SA 3.0
original uploader - Public Domain
Metro Pictures Corporation - Public Domain
Darvon.guppy - CC BY 3.0
Image from Wikimedia Commons
--Jacob Burckhardt -
Vitoria, Francisco de, 1486?-1546
Image from Wikimedia Commons
*:File:GeorgeGallup.gif - Public Domain
Gallup, George, 1901-1984
Image from Wikimedia Commons
unknown photographer - Public Domain
Longman, Evelyn Beatrice, 1874-1954
Image from Wikimedia Commons
Lee, Gypsy Rose, 1914-1970
Image from Wikimedia Commons
engraved by W. Delff after a painting by C. Duyster - Public Domain
Delmedigo, Joseph Solomon, 1591-1655
Image from Wikimedia Commons
Slowking -
Creedon, Carolyn
Image from Wikimedia Commons
unknown - Public Domain
Thomán, István 1862-1940
Image from Wikimedia Commons
Marcovalerio marletta - Public Domain
Vinay, Ramon
Image from Wikimedia Commons
Post of Romania - Public Domain
Dior, Christian
Image from Wikimedia Commons
Du Bois 11 - CC BY-SA 4.0
Sutton, Philip
Image from Wikimedia Commons
MohenjoDaro - CC BY-SA 2.0
Wilbur, Ray L. (Ray Lyman), 1875-1949
Image from Wikimedia Commons
Ofek, Avraham, 1935-1990
Image from Wikimedia Commons
Sinednov - CC BY-SA 4.0
Friedman, Jerome I. (Jerome Isaac), 1930-
Image from Wikimedia Commons
Ryan, Cornelius
Image from Wikimedia Commons
Lim, Bo Seng, 1909 -1944
Image from Wikimedia Commons
Mahler, Alma
Image from Wikimedia Commons
Norman Abramson - Public Domain
Abramson, Norman.
Image from Wikimedia Commons
Whetstone, William, Sir, -1711
Image from Wikimedia Commons
Airbourne92. - CC BY-SA 3.0
Dryden, Konrad Claude.
Image from Wikimedia Commons
user at project -
Lockwood-Mathews Mansion Museum
Image from Wikimedia Commons
Gwynne, John Williams, 1889-1972
Image from Wikimedia Commons
El Liberal, Madrid - Public Domain
Granés, Salvador María, 1838-1911
Image from Wikimedia Commons
no mention -
Rodríguez, Silvio, 1946-
Image from Wikimedia Commons
Bert Nienhuis - CC BY-SA 3.0
Walcott, Derek
Image from Wikimedia Commons
original uploader - Public Domain
Kang, Youwei, 1858-1927
Image from Wikimedia Commons
Smith, Robert, 1802-1867
Image from Wikimedia Commons
Metro Pictures Corporation - Public Domain
Wilson, Ben, 1876-1930
Image from Wikimedia Commons
Darvon.guppy - CC BY 3.0
Alker, Hayward R.
Image from Wikimedia Commons
unknown photographer - Public Domain
Ornstein, L.S. (Leonard Salomon), 1880-1941
Image from Wikimedia Commons
unknown - Public Domain
Williamson, R. M. (Robert McAlpin), 1804-1859