Image from Wikimedia Commons
FA2010 - Public Domain
Wilhelm Titel, gestorben 1862. - Public Domain
Unknown, second half of XIX century - Public Domain
unknown - Public Domain
U.S. Department of Agriculture - CC BY 2.0
John Singer Sargent - Public Domain
Henry Edridge - Public Domain
Patrice Gilbert - CC BY-SA 3.0
slowking -
United Press - Public Domain
ABC Television - Public Domain
Spencer Gore - Public Domain
Mathew Brady - Public Domain
Thomon - Public Domain
Not stated - Public Domain
August Weger - Public Domain
— <b>Hunter Kahn - Public Domain
Public Domain
user at project - CC BY-SA 3.0
published in "The Parties and the Men; Or, Political Issues of 1896" by Robert O. Law, 1896. - Public Domain
Image from Wikimedia Commons
FA2010 - Public Domain
Rousset, Christophe
Image from Wikimedia Commons
Wilhelm Titel, gestorben 1862. - Public Domain
Baum, Wilhelm, 1799-1883
Image from Wikimedia Commons
Unknown, second half of XIX century - Public Domain
Colvocoresses, George M. (George Musalas), 1816-1872
Image from Wikimedia Commons
unknown - Public Domain
Osborn, Chase S. (Chase Salmon), 1860-1949
Image from Wikimedia Commons
U.S. Department of Agriculture - CC BY 2.0
Wickard, Claude R. (Claude Raymond), 1893-1967
Image from Wikimedia Commons
John Singer Sargent - Public Domain
Gosse, Edmund, 1849-1928
Image from Wikimedia Commons
unknown - Public Domain
Mead, Richard, 1673-1754
Image from Wikimedia Commons
Henry Edridge - Public Domain
Long, Charles, 1760-1838
Image from Wikimedia Commons
Dubos, René J. (René Jules), 1901-1982
Image from Wikimedia Commons
Patrice Gilbert - CC BY-SA 3.0
Naylor, Phyllis Reynolds
Image from Wikimedia Commons
slowking -
Thomas, Evan, 1951-....
Image from Wikimedia Commons
United Press - Public Domain
McCarthy, Joseph, 1908-1957
Image from Wikimedia Commons
ABC Television - Public Domain
Stapleton, Jean, 1923-2013
Image from Wikimedia Commons
Spencer Gore - Public Domain
Gore, Spencer Frederick, 1878-1914
Image from Wikimedia Commons
Mathew Brady - Public Domain
Harding, Benjamin Franklin, 1823-1899
Image from Wikimedia Commons
Thomon - Public Domain
Cremonesi, Carlo
Image from Wikimedia Commons
Not stated - Public Domain
Grafly, Charles, 1862-1929
Image from Wikimedia Commons
August Weger - Public Domain
Satter, Gustave
Image from Wikimedia Commons
— <b>Hunter Kahn - Public Domain
Warner, Seth, 1743-1784
Image from Wikimedia Commons
Von Braun, Wernher, 1912-1977
Image from Wikimedia Commons
Frend, William, 1757-1841
Image from Wikimedia Commons
Thomon - Public Domain
Dominioni, Camillo Caccia
Image from Wikimedia Commons
Polk, Charles Peale, 1767-1822
Image from Wikimedia Commons
Le Corbusier, 1887-1965
Image from Wikimedia Commons
Public Domain
Boissier, Edmond, 1810-1885
Image from Wikimedia Commons
unknown - Public Domain
Mergenthaler, Ottmar, 1854-1899
Image from Wikimedia Commons
Cronin, David Edward, 1839-1925
Image from Wikimedia Commons
Vidaurri, Santiago, 1808-1867
Image from Wikimedia Commons
user at project - CC BY-SA 3.0
Scott, Darrell, 1959-
Image from Wikimedia Commons
published in "The Parties and the Men; Or, Political Issues of 1896" by Robert O. Law, 1896. - Public Domain
Morrison, William R. (William Ralls), 1825-1909