Image from Wikimedia Commons
original uploader - Public Domain
unknown - Public Domain
wd - Public Domain
Who-When-What Company - Public Domain
E A Hall & Sons, NY, engravers - Public Domain
Sławek - CC BY-SA 2.0
David d'Angers - Public Domain
:hu:Csurla - CC BY-SA 2.5
Grr - CC BY 3.0
Toni Trump Fagart - Public Domain
Haeseler Photographic Studios, Philadelphia, Pennsylvania. - Public Domain
Benson J. Lossing, The Pictorial Field-Book of the Revolution, Volume 1, Chapter 2, 1850 - Public Domain
Kuczyński - Public Domain
summonedbyfells - CC BY 2.0
Image from Wikimedia Commons
original uploader - Public Domain
Newlands, John A. R.
Image from Wikimedia Commons
unknown - Public Domain
Dowling, Michael J., 1866-1921
Image from Wikimedia Commons
Pittakys, K. S. (Kyriakos S.), 1806?-1863
Image from Wikimedia Commons
Haddon, Dayle 1949-....
Image from Wikimedia Commons
Upton, Florence K. (Florence Kate), 1873-1922
Image from Wikimedia Commons
wd - Public Domain
Gruber, Franz Xaver, 1787-1863
Image from Wikimedia Commons
Rozdolski, Roman
Image from Wikimedia Commons
Denning, Peter J., 1942-....
Image from Wikimedia Commons
Little, Ann, 1891-1984
Image from Wikimedia Commons
Who-When-What Company - Public Domain
Pettit, John Upfold, 1820-1881
Image from Wikimedia Commons
E A Hall & Sons, NY, engravers - Public Domain
Leffingwell, Charles Wesley, 1840-1928
Image from Wikimedia Commons
Sławek - CC BY-SA 2.0
Falk, Feliks
Image from Wikimedia Commons
Scheff, Fritzi
Image from Wikimedia Commons
David d'Angers - Public Domain
Dutrochet, Henri, 1776-1847
Image from Wikimedia Commons
:hu:Csurla - CC BY-SA 2.5
Szabó, Ferenc, 1902-1969
Image from Wikimedia Commons
Grr - CC BY 3.0
Stuart, David, 1965-....
Image from Wikimedia Commons
Toni Trump Fagart - Public Domain
Galland, Isaac, 1791-1858
Image from Wikimedia Commons
Stefansson, Vilhjalmur, 1879-1962
Image from Wikimedia Commons
Haeseler Photographic Studios, Philadelphia, Pennsylvania. - Public Domain
Reid, Robert, 1862-1929
Image from Wikimedia Commons
Lichtenberg, Georg Christoph, 1742-1799
Image from Wikimedia Commons
Clark, Charles B.
Image from Wikimedia Commons
Benson J. Lossing, The Pictorial Field-Book of the Revolution, Volume 1, Chapter 2, 1850 - Public Domain
Paulding, William, Jr., 1770-1854
Image from Wikimedia Commons
Favero, Mafalda
Image from Wikimedia Commons
Boggs, Charles Stuart, 1811-1888
Image from Wikimedia Commons
Deering, Charles, 1852-1927
Image from Wikimedia Commons
Kuczyński - Public Domain
Taubenschlag, Rafał, 1881-1958
Image from Wikimedia Commons
summonedbyfells - CC BY 2.0
Drabble, Margaret, 1939-....
Image from Wikimedia Commons
Jeanroy, Alfred, 1859-1953
Image from Wikimedia Commons
Porter, Theodore M., 1953-....
Image from Wikimedia Commons
unknown - Public Domain
Bontempelli, Massimo, 1878-1960