Image from Wikimedia Commons
Félix Potin company (1908) - Public Domain
Dmitry Scherbie - CC BY-SA 2.0
unknown - Public Domain
Mike Peel/Attribution - CC BY-SA 4.0
Mathew Brady - Public Domain
Gene Schiavone - Public Domain
Unattributed - Public Domain
Nickolas Muray - Public Domain
Samadammichael - Public Domain
Stellar Publishing / unidentified staff artist - Public Domain
Biographical Directory of the United States Congress - CC0 1.0
Long Island University - Public Domain
Medjeded - CC BY-SA 3.0
Bain News Service, publisher - Public Domain
one source states - Public Domain
Woverhauser - CC BY-SA 3.0
*:File:Ravitch.JPG - CC BY 3.0
Image from Wikimedia Commons
Cloud, John, 1927-
Image from Wikimedia Commons
Félix Potin company (1908) - Public Domain
Thomé, Francis, 1850-1909
Image from Wikimedia Commons
Brinton, John H. (John Hill), 1832-1907
Image from Wikimedia Commons
Boulanger, Ernest, 1815-1900
Image from Wikimedia Commons
Dmitry Scherbie - CC BY-SA 2.0
Fortune, Sonny
Image from Wikimedia Commons
unknown - Public Domain
Mosso, A. (Angelo), 1846-1910
Image from Wikimedia Commons
Mike Peel/Attribution - CC BY-SA 4.0
Brown, John C., 1947-
Image from Wikimedia Commons
unknown - Public Domain
Ball, Joseph H. (Joseph Hurst), 1905-1993
Image from Wikimedia Commons
Mathew Brady - Public Domain
Sturgeon, Daniel, 1789-1878
Image from Wikimedia Commons
unknown - Public Domain
Selenka, Emil, 1842-1902
Image from Wikimedia Commons
Tiedjens, Victor Alphons, 1895-1975
Image from Wikimedia Commons
Gene Schiavone - Public Domain
Corella, Ángel 1975-
Image from Wikimedia Commons
Unattributed - Public Domain
Folger, William Mayhew, 1844-1928
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Nickolas Muray - Public Domain
Adler, Jacob P., 1855-1926
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Davidson, R. H. M. (Robert Hamilton McWhorta), 1832-1908
Image from Wikimedia Commons
Samadammichael - Public Domain
Miller, Warren, 1921-1966
Image from Wikimedia Commons
Stellar Publishing / unidentified staff artist - Public Domain
Weiss, George Henry, 1898-1946
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Ellicott, C. J. (Charles John), 1819-1905
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Tytler, Patrick Fraser, 1791-1849
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Bruckheimer, Jerry
Image from Wikimedia Commons
Meytens, Martin van, 1695-1770
Image from Wikimedia Commons
Biographical Directory of the United States Congress - CC0 1.0
Murdock, John Robert, 1885-1972
Image from Wikimedia Commons
Long Island University - Public Domain
Lingard, Wm. Horace (William Horace), 1839-1927
Image from Wikimedia Commons
unknown - Public Domain
Lyte, Henry Francis, 1793-1847
Image from Wikimedia Commons
Medjeded - CC BY-SA 3.0
Chouikh, Mohamed, 1943-....
Image from Wikimedia Commons
Bain News Service, publisher - Public Domain
Gaillard, David Du Bose, 1859-1913
Image from Wikimedia Commons
one source states - Public Domain
Pickett, Bill, approximately 1860-1932
Image from Wikimedia Commons
Woverhauser - CC BY-SA 3.0
Overhauser, Albert Warner, 1925-....
Image from Wikimedia Commons
Wilson, Lambert
Image from Wikimedia Commons
*:File:Ravitch.JPG - CC BY 3.0
Ravitch, Richard, 1933-