Image from Wikimedia Commons
Mila Rechcigl -
A. Brauer - Public Domain
unknown photographer - Public Domain
iDominick - CC BY-SA 2.0
John Manley (Little Valley, NY), compiler and editor. Hosford & Co. (New York, NY), printer. - Public Domain
Alansafe5 - CC BY-SA 3.0
Nightscream - CC BY 3.0
Gage Skidmore - CC BY-SA 3.0
Not stated - Public Domain
Colmer, Montagu, and Charles Erskine Scott Wood - Public Domain
University of Illinois Archives -
unknown - Public Domain
Uncredited - Public Domain
LPLT - Public Domain
Josef Kriehuber (1800-1876); Foto Peter Geymayer - Public Domain
Carl Van Vechten - Public Domain
Image from Wikimedia Commons
Tissandier, Albert, 1839-1906
Image from Wikimedia Commons
Mila Rechcigl -
Rechcígl, Miloslav
Image from Wikimedia Commons
Barbusse, Henri, 1873-1935
Image from Wikimedia Commons
A. Brauer - Public Domain
Boutet de Monvel, Louis-Maurice, 1851-1913
Image from Wikimedia Commons
unknown photographer - Public Domain
Asplund, Karl, 1890-
Image from Wikimedia Commons
iDominick - CC BY-SA 2.0
Glatter, Lesli Linka
Image from Wikimedia Commons
John Manley (Little Valley, NY), compiler and editor. Hosford & Co. (New York, NY), printer. - Public Domain
Martin, Frederick Stanley, 1794-1865
Image from Wikimedia Commons
Fraunhofer, Joseph von 1787-1826
Image from Wikimedia Commons
White, Edwin D., 1817-1877
Image from Wikimedia Commons
Alansafe5 - CC BY-SA 3.0
Schuck, John, 1940-....
Image from Wikimedia Commons
Nightscream - CC BY 3.0
O'Neil, Dennis, 1939-....
Image from Wikimedia Commons
Gage Skidmore - CC BY-SA 3.0
Fein, Bruce E.
Image from Wikimedia Commons
Cornwell, John J. (John Jacob), 1867-1953
Image from Wikimedia Commons
Winans, Edwin Baruch, 1826-1894
Image from Wikimedia Commons
Not stated - Public Domain
Reade, Charles, 1814-1884
Image from Wikimedia Commons
Connery, William Patrick, 1888-1937
Image from Wikimedia Commons
Marten, Henry, 1602-1680
Image from Wikimedia Commons
Colmer, Montagu, and Charles Erskine Scott Wood - Public Domain
Rand, John L. (John Langdon), 1861-1942
Image from Wikimedia Commons
University of Illinois Archives -
Willard, Arthur C. (Arthur Cutts), 1878-1960
Image from Wikimedia Commons
unknown - Public Domain
Couthouy, Joseph Pitty, 1808-1864
Image from Wikimedia Commons
Uncredited - Public Domain
Downey, Morton, 1901-1985
Image from Wikimedia Commons
Bourdon, François-Louis, 1758-1798
Image from Wikimedia Commons
Ela, Jacob H. (Jacob Hart), 1820-1884
Image from Wikimedia Commons
LPLT - Public Domain
Rosmini, Antonio, 1797-1855.
Image from Wikimedia Commons
Terry, Ethel Grey, -1931
Image from Wikimedia Commons
DJ Krush
Image from Wikimedia Commons
Drachmann, Holger, 1846-1908
Image from Wikimedia Commons
Josef Kriehuber (1800-1876); Foto Peter Geymayer - Public Domain
Sainte-Aulaire, comte de (Louis Clair de Beaupoil), 1778-1854
Image from Wikimedia Commons
Carl Van Vechten - Public Domain
Bontemps, Arna, 1902-1973
Image from Wikimedia Commons
Dumas, J.-B. (Jean-Baptiste), 1800-1884