Image from Wikimedia Commons
Sylvain Machefert / Symac - CC BY-SA 3.0
Ghitta Carell - Public Domain
unknown - Public Domain
Cook, Jeffrey -
Public Domain
scanned and cropped by Jim Heaphy - Public Domain
unknown - CC BY-SA 4.0
Mathew Brady Levin Corot Handy - Public Domain
Slowking -
unknown. Uploaded, stitched and restored by Jebulon - Public Domain
Jean-Denis Attiret - Public Domain
Boberger - CC BY 3.0
user at project - CC BY-SA 3.0
user at project -
A.J. Ehnle/P. Blommers (1852) - Public Domain
unknown photographer - Public Domain
Vhbfoto - CC BY-SA 3.0
Image from Wikimedia Commons
Pfeiffer, Richard, 1858-
Image from Wikimedia Commons
Hennequin, Alfred, 1842-1887
Image from Wikimedia Commons
Pickman, Dudley Leavitt, 1779-1846
Image from Wikimedia Commons
Angelico, fra, approximately 1400-1455
Image from Wikimedia Commons
Sylvain Machefert / Symac - CC BY-SA 3.0
Lalanne, Maxime, 1827-1886
Image from Wikimedia Commons
Ghitta Carell - Public Domain
Michelucci, Giovanni, 1891-1990
Image from Wikimedia Commons
unknown - Public Domain
Yergan, Max, 1892-1975
Image from Wikimedia Commons
Cook, Jeffrey -
Yellott, John I.
Image from Wikimedia Commons
Public Domain
Burnet, David Gouverneur, 1789-1870
Image from Wikimedia Commons
scanned and cropped by Jim Heaphy - Public Domain
LeConte, Joseph N. (Joseph Nisbet), 1870-1950
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unknown - CC BY-SA 4.0
Casimir, John, Prince Of Anhalt-Dessau
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Mlodinow, Leonard, 1954-....
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Howe, Brian, 1936-....
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Rollin, Charles, 1661-1741
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Ramsay, E. P. (Edward Pierson), -1917
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Jonas, B. F. (Benjamin Franklin), 1834-1911
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Poulbot, Francisque, 1879-1946
Image from Wikimedia Commons
Wainwright, Jonathan Mayhew, 1883-1953
Image from Wikimedia Commons
Slowking -
Smith, Frank, Jr., 1942-
Image from Wikimedia Commons
unknown. Uploaded, stitched and restored by Jebulon - Public Domain
Winterhalter, Franz Xaver, 1805-1873
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Thomson, Joseph, 1858-1895
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Charlotte Elizabeth, 1790-1846
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Jean-Denis Attiret - Public Domain
Attiret, Jean-Denis, 1702-1768
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unknown - Public Domain
Dexter, Elliott, 1870-1941
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Boberger - CC BY 3.0
Gordimer, Nadine, 1923-2014
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user at project - CC BY-SA 3.0
Pendleton, Austin
Image from Wikimedia Commons
user at project -
Vassiliu, Pierre, 1937-....
Image from Wikimedia Commons
A.J. Ehnle/P. Blommers (1852) - Public Domain
Alberdingk Thijm, J.A. (Josephus Albertus), 1820-1889
Image from Wikimedia Commons
unknown photographer - Public Domain
Worth, Jonathan, 1802-1869
Image from Wikimedia Commons
Vhbfoto - CC BY-SA 3.0
Cavallo, Domingo, 1946-....