Image from Wikimedia Commons
John Codman - Public Domain
SHARE Conference - CC BY-SA 2.0
Smithsonian Institution -
Henry Wyndham Phillips - Public Domain
Billinghurst -
unknown - Public Domain
Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Pedro Durante - Public Domain
National Library of Medicine - Public Domain
Pierre Sonnerat - Public Domain
Cathbart1948 - CC BY-SA 4.0
Unknown author. -
Carl Wilhelm Bender [http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/display_results.cfm?alpha_sort=s] - Public Domain
Edward Bierstadt - Public Domain
Fredricks, Charles DeForest, 1823-1894 -- Photographer - Public Domain
user at project - Public Domain
Image from Wikimedia Commons
Overskou, Thomas, 1798-1873
Image from Wikimedia Commons
Zévaco, Michel, 1860-1918
Image from Wikimedia Commons
John Codman - Public Domain
Enos, Roger, 1729-1808
Image from Wikimedia Commons
SHARE Conference - CC BY-SA 2.0
Ćosić, Vuk 1966-
Image from Wikimedia Commons
Plantamura, Carol
Image from Wikimedia Commons
Smithsonian Institution -
Mora, F. Luis (Francis Luis), 1874-1940
Image from Wikimedia Commons
Bonell, Carlos
Image from Wikimedia Commons
Hall, Bobbye
Image from Wikimedia Commons
Diesendorf, Margaret 1912-
Image from Wikimedia Commons
Henry Wyndham Phillips - Public Domain
Borrow, George, 1803-1881
Image from Wikimedia Commons
Billinghurst -
Cramb, J.A. (John Adam), 1862-1913
Image from Wikimedia Commons
Brindis de Salas, Claudio José Domingo 1852-1911
Image from Wikimedia Commons
Contarini, Gasparo, 1483-1542
Image from Wikimedia Commons
unknown - Public Domain
Rosenfeld, Morris, 1862-1923
Image from Wikimedia Commons
Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Ambler, Jacob A., 1829-1906
Image from Wikimedia Commons
Pedro Durante - Public Domain
Sáenz, Manuela, 1797?-1856
Image from Wikimedia Commons
Mendès, Catulle, 1841-1909
Image from Wikimedia Commons
National Library of Medicine - Public Domain
Marshall, Mary Louise, 1893-1986
Image from Wikimedia Commons
Clive, Mrs. (Catherine), 1711-1785
Image from Wikimedia Commons
Lindley, Charles
Image from Wikimedia Commons
Pierre Sonnerat - Public Domain
Sonnerat, Pierre, 1748-1814
Image from Wikimedia Commons
Cathbart1948 - CC BY-SA 4.0
Noyes, Pierrepont, 1870-
Image from Wikimedia Commons
Unknown author. -
Floyd, John G. (John Gelston), 1806-1881
Image from Wikimedia Commons
Pisanello, 1395-approximately 1455
Image from Wikimedia Commons
Sieyès, Emmanuel Joseph, comte, 1748-1836
Image from Wikimedia Commons
Carl Wilhelm Bender [http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/display_results.cfm?alpha_sort=s] - Public Domain
Soemmerring, Samuel Thomas von, 1755-1830
Image from Wikimedia Commons
Edward Bierstadt - Public Domain
Draper, John William, 1811-1882
Image from Wikimedia Commons
Macias, Enrico
Image from Wikimedia Commons
Fredricks, Charles DeForest, 1823-1894 -- Photographer - Public Domain
Adams, Edwin, 1834-1877
Image from Wikimedia Commons
user at project - Public Domain
Robichaud, Louis J. (Louis Joseph), 1925-