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Photographer-Chidnoff, New York-faint stamp on back-small one at lower left front - 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
Original uploader was Humansdorpie - Public Domain
Bain News Service, publisher - Public Domain
unknown - Public Domain
Stalee - Public Domain
Suewilliamson - CC BY-SA 4.0
Public Domain
Taras Shevchenko - Public Domain
Martin Huch - CC BY-SA 3.0
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Récamier, Joseph Claude Anthelme, 1774-1852
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Photographer-Chidnoff, New York-faint stamp on back-small one at lower left front - Public Domain
McDevitt, Ruth, 1895-1976
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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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Dahlkemper, Kathy, 1957-
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Jayewardene, Junius Richard
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Original uploader was Humansdorpie - Public Domain
Cetewayo, King of Zululand, approximately 1826-1884
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Bain News Service, publisher - Public Domain
Wilson, William Bauchop, 1862-1934
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Fuenclara, Pedro Cebrián y Agustín, conde de, 1687-1752
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Inagaki, Manjirō 1861-1908
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Hornak, Ian, 1944-2002
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unknown - Public Domain
Tixier-Vignancour, Jean-Louis, 1907-1989
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Colbrán, Isabella 1785-1845
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Lynch, David, 1946-....
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Stalee - Public Domain
Wyman, Walter, 1848-1911
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Anstey, Frank, 1865-1940
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Glatigny, Albert, 1839-1873
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Hylton, Jack, 1892-1965
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Suewilliamson - CC BY-SA 4.0
Williamson, Sue
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Public Domain
Campbell-Bannerman, Henry, 1836-1908
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McEvoy, Ambrose, 1878-1927
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Daniels, Dominick Vincent, 1908-1987
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Chase, Samuel, 1741-1811
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Thompson, Smith, 1768-1843
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Taras Shevchenko - Public Domain
Aldridge, Ira Frederick, -1867
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Martin Huch - CC BY-SA 3.0
Carlton, Carl, 1955-
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Bordes, Charles, 1863-1909
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Hutson, Richard, 1748-1795
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unknown - Public Domain
Denny, Anthony, 1501-1549
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Kraus, Karl, 1874-1936
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unknown - Public Domain
Otto-Peters, Louise, 1819-1895