Image from Wikimedia Commons
original uploader - Public Domain
original uploader -
Daguerreotype collection (Library of Congress) - Public Domain
Bokalex - CC BY-SA 4.0
unknown - Public Domain
Vugarİbadov - CC BY-SA 3.0
Alan Light at https://www.flickr.com/photos/alan-light/ - CC BY 2.0
Siebbi - CC BY-SA 3.0
Matthew B. Brady - Public Domain
Unknown. Image from Archives cropped, cleaned up by Disavian. - Public Domain
Image from Wikimedia Commons
original uploader - Public Domain
Cohn, Roy M.
Image from Wikimedia Commons
Schützenberger, P. (Paul), 1829-1897
Image from Wikimedia Commons
Pollard, Harry, 1879-1934
Image from Wikimedia Commons
Redouté, Pierre-Joseph, 1759-1840
Image from Wikimedia Commons
original uploader -
Korzybski, Alfred, 1879-1950
Image from Wikimedia Commons
Simpson, Helen, 1897-1940
Image from Wikimedia Commons
Daguerreotype collection (Library of Congress) - Public Domain
Hitchcock, Ethan Allen, 1798-1870
Image from Wikimedia Commons
Bokalex - CC BY-SA 4.0
Gurvitch, Georges, 1894-1965
Image from Wikimedia Commons
Sarmiento, Domingo Faustino, 1811-1888
Image from Wikimedia Commons
Livingston, Edward, 1764-1836
Image from Wikimedia Commons
unknown - Public Domain
Duchin, Eddy, 1909-1951
Image from Wikimedia Commons
Robin, Charles, 1743?-1824
Image from Wikimedia Commons
Fuller, Sarah, 1836-1927
Image from Wikimedia Commons
Wilse, Anders Beer, 1865-1949
Image from Wikimedia Commons
Vugarİbadov - CC BY-SA 3.0
Qâsimov, Alim, 1957-
Image from Wikimedia Commons
unknown - Public Domain
Poor, Henry W. (Henry William), 1844-1915
Image from Wikimedia Commons
Hörbiger, Hanns, 1860-1931
Image from Wikimedia Commons
Alan Light at https://www.flickr.com/photos/alan-light/ - CC BY 2.0
Buttons, Red, 1919-2006
Image from Wikimedia Commons
Siebbi - CC BY-SA 3.0
McCrory, Helen 1968-....
Image from Wikimedia Commons
unknown - Public Domain
Anderson, George Burgwyn, 1831-1862
Image from Wikimedia Commons
unknown - Public Domain
Warbeck, Perkin, 1474-1499
Image from Wikimedia Commons
Cramer, Johann Baptist, 1771-1858
Image from Wikimedia Commons
Reinhardt, Max, 1873-1943
Image from Wikimedia Commons
Riva Palacio, Mariano, 1803-1880
Image from Wikimedia Commons
Matthew B. Brady - Public Domain
Havemeyer, William Frederick, 1804-1874
Image from Wikimedia Commons
Johnson, Robert Wood, 1893-1968
Image from Wikimedia Commons
unknown - Public Domain
Hartman, Carl Vilhelm, 1862-1941
Image from Wikimedia Commons
Santorio, Santorio, 1561-1636
Image from Wikimedia Commons
Berthier, Louis-Alexandre, 1753-1815
Image from Wikimedia Commons
Unknown. Image from Archives cropped, cleaned up by Disavian. - Public Domain
Smith, David Melville, 1884-