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Ranulfo de Glanvilla [Ranulf de Glanvill] - Public Domain
Ravelragazza - CC BY-SA 3.0
unknown - Public Domain
Moritz Daniel Oppenheim - Public Domain
Édouard Baldus Upload, stitch and restoration by Jebulon - Public Domain
Unknown (pre-1923 photo) Watson, per the link in the source, left Johns Hopkins in 1921 (on bad terms). This is a photo of him there. - Public Domain
Stein - Public Domain
FrankieF - CC BY-SA 4.0
Photo copyrighted by Clinedinst, Wash., D.C. No copyright renewal - Public Domain
Public Domain
Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 2.5
Mathew Brady or Levin Handy - Public Domain
Anonymous - Public Domain
ÑuÑuX - CC BY-SA 4.0
Hamilton, Allan McLane - Public Domain
*:File:Paul_Spiring_in_2008.jpeg - CC BY-SA 3.0
:de:Hermann Scherenberg - Public Domain
Edwin Atkins Merritt (1828-1916), author. - Public Domain
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Ranulfo de Glanvilla [Ranulf de Glanvill] - Public Domain
Glanville, Ranulf de, 1130-1190
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Burachek, Mykola, 1871-1942
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Lovely, Louise, 1896-1980
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Farnese, Ranuccio, Duke of Parma and Piacenza, 1630-1694
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Ravelragazza - CC BY-SA 3.0
Morrison, John Howell
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Krechetnikov, Mikhail, 1729-1793
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unknown - Public Domain
Hutton, Frederick Wollaston, 1836-1905
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Moritz Daniel Oppenheim - Public Domain
Rothschild, Salomon, 1774-1855
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Édouard Baldus Upload, stitch and restoration by Jebulon - Public Domain
David d'Angers, Pierre-Jean, 1788-1856
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Unknown (pre-1923 photo) Watson, per the link in the source, left Johns Hopkins in 1921 (on bad terms). This is a photo of him there. - Public Domain
Watson, John B. (John Broadus), 1878-1958
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Zeta-Jones, Catherine, 1969-....
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Stein - Public Domain
Stout, James Huff, 1848-1910
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FrankieF - CC BY-SA 4.0
Pollak, Kay, 1938-....
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Photo copyrighted by Clinedinst, Wash., D.C. No copyright renewal - Public Domain
Smith, Hoke, 1855-1931
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Public Domain
Grantham, Thomas Robinson, 2nd Baron
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Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 2.5
Barańczak, Stanisław, 1946-
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Medici, Lorenzino de' 1514-1548
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Mathew Brady or Levin Handy - Public Domain
Drake, Charles D. (Charles Daniel), 1811-1892
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Yarbrough, Glenn, 1930-
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Anonymous - Public Domain
Spotted Elk, Molly, 1903-1977
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Firkušný, Rudolf, 1912-1994
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Ernst I, Duke of Saxe-Gotha, 1601-1675
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ÑuÑuX - CC BY-SA 4.0
Echeverría, José Antonio -1957
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Hamilton, Allan McLane - Public Domain
Hamilton, Philip, 1802-1884
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Holstein, Friedrich von 1837-1909
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Adam, Brother, 1898-
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*:File:Paul_Spiring_in_2008.jpeg - CC BY-SA 3.0
Hardwicke, Edward
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:de:Hermann Scherenberg - Public Domain
Dohm, Ernst, 1819-1883
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Edwin Atkins Merritt (1828-1916), author. - Public Domain
Merritt, Edwin A. (Edwin Atkins), 1828-1916
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McEttrick, Michael J. (Michael Joseph), 1848-1921