Image from Wikimedia Commons
Natascha Artin (original photo); Jochen Burghardt - CC BY-SA 2.0
Wikillinois - CC BY-SA 3.0
Attributed to J.D. Wells of Northampton - Public Domain
Duane Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
Gaetano Chierici - Public Domain
Marcel Antonisse / Anefo - CC BY-SA 3.0
unknown - Public Domain
T.A. Butler sc. / photographed by Bogardus - Public Domain
Public Domain
Family photo - Public Domain
*:File:Jean_peters.png - Public Domain
unknown - CC BY-SA 4.0
Image from Wikimedia Commons
Natascha Artin (original photo); Jochen Burghardt - CC BY-SA 2.0
Weyl, F. Joachim (Fritz Joachim), 1915-
Image from Wikimedia Commons
Coit, Lillie Hitchcock, 1843-1929
Image from Wikimedia Commons
Ganong, William Francis, 1864-1941
Image from Wikimedia Commons
Broughton, Len G. (Len Gaston), 1864-1936
Image from Wikimedia Commons
Schaefer, Richard
Image from Wikimedia Commons
Wikillinois - CC BY-SA 3.0
Beschloss, Michael R.
Image from Wikimedia Commons
Attributed to J.D. Wells of Northampton - Public Domain
Faunce, D. W. (Daniel Worcester), 1829-1911
Image from Wikimedia Commons
Duane Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
Parmenter, William, 1789-1866
Image from Wikimedia Commons
Evans, Michael, 1944-2005
Image from Wikimedia Commons
Gaetano Chierici - Public Domain
Chierici, Gaetano, 1838-1920
Image from Wikimedia Commons
Marcel Antonisse / Anefo - CC BY-SA 3.0
Shamir, Itzhak, 1915-2012
Image from Wikimedia Commons
unknown - Public Domain
Díaz Soto y Gama, Antonio
Image from Wikimedia Commons
Mance, Jeanne, 1606-1673
Image from Wikimedia Commons
Holmes, Alfred, 1837-1876
Image from Wikimedia Commons
T.A. Butler sc. / photographed by Bogardus - Public Domain
Vanderbilt, William H. (William Henry), 1821-1885
Image from Wikimedia Commons
Humphreys, Humphrey, 1648-1712
Image from Wikimedia Commons
Holl, William, 1807-1871
Image from Wikimedia Commons
Leclerc, Philippe, 1902-1947
Image from Wikimedia Commons
Kilby, Thomas Erby, 1865-1943
Image from Wikimedia Commons
unknown - Public Domain
French, George Arthur, 1841-1921
Image from Wikimedia Commons
Public Domain
Jesup, Thomas Sidney, 1788-1860
Image from Wikimedia Commons
Whitaker, Herman, 1867-1919
Image from Wikimedia Commons
Public Domain
Unaipon, David, 1872-1967
Image from Wikimedia Commons
Family photo - Public Domain
Hand, Augustus Noble, 1869-1954
Image from Wikimedia Commons
Jones, Frank, 1832-1902
Image from Wikimedia Commons
Hale, Horatio, 1817-1896
Image from Wikimedia Commons
*:File:Jean_peters.png - Public Domain
Peters, Jean, 1926-2000
Image from Wikimedia Commons
unknown - CC BY-SA 4.0
Casimir, John, Prince Of Anhalt-Dessau
Image from Wikimedia Commons
Higgins, Pattillo, 1863-
Image from Wikimedia Commons
Fischer, Margarita, 1886-1975