Image from Wikimedia Commons
Evening Post Association (Hartford, CT), publisher. - Public Domain
Carl Bohnen - Public Domain
Erich Correns (painter) - Public Domain
scanned and cropped by Jim Heaphy - Public Domain
Édouard Baldus Upload, stitch and restoration by Jebulon - Public Domain
Ricardo Stuckert (PR/ABr/Brazil) - CC BY-SA 2.5
U.S. State Department - Public Domain
Andreé Girard - Public Domain
Stephencdickson - CC BY-SA 4.0
Freimut Bahlo - Public Domain
Studio photographer Carl Borntraeger. - Public Domain
Pye, Charles, 1777-1864, printmaker. - Public Domain
Keith Allison - CC BY-SA 2.0
Smithsonian Institution -
Angela George - CC BY 3.0
unknown - Public Domain
Image from Wikimedia Commons
Evening Post Association (Hartford, CT), publisher. - Public Domain
Seymour, E. W. (Edward Woodruff), 1832-1892
Image from Wikimedia Commons
Carl Bohnen - Public Domain
Preus, J. A. O. (Jacob Aall Ottesen), 1883-1961
Image from Wikimedia Commons
Erich Correns (painter) - Public Domain
Zwirner, Ernst Friedrich, 1802-1861
Image from Wikimedia Commons
scanned and cropped by Jim Heaphy - Public Domain
LeConte, Joseph N. (Joseph Nisbet), 1870-1950
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Coventry, Thomas Coventry, Baron, 1578-1640
Image from Wikimedia Commons
Édouard Baldus Upload, stitch and restoration by Jebulon - Public Domain
David d'Angers, Pierre-Jean, 1788-1856
Image from Wikimedia Commons
Bishop, Henry R.
Image from Wikimedia Commons
O'Connell, Jerry Joseph, 1909-1956
Image from Wikimedia Commons
Ricardo Stuckert (PR/ABr/Brazil) - CC BY-SA 2.5
Võ, Nguyên Giáp 1911-2013
Image from Wikimedia Commons
U.S. State Department - Public Domain
Richie, Lionel
Image from Wikimedia Commons
Andreé Girard - Public Domain
Noé, Luis Felipe 1933-
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Stout, Robert, 1844-1930
Image from Wikimedia Commons
Stephencdickson - CC BY-SA 4.0
Illingworth, Charles Frederick William, Sir, 1899-
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Holles, Denzil Holles, Baron, 1599-1680
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Minow, Newton N., 1926-
Image from Wikimedia Commons
Freimut Bahlo - Public Domain
Burke, Sonny, 1914-1980
Image from Wikimedia Commons
Biehn, Michael, 1956-....
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Studio photographer Carl Borntraeger. - Public Domain
Steinway, William, 1836-1896
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Wright, Chauncey, 1830-1875
Image from Wikimedia Commons
Pye, Charles, 1777-1864, printmaker. - Public Domain
Brathwaite, Richard, 1588?-1673
Image from Wikimedia Commons
Buck, Tim
Image from Wikimedia Commons
Keith Allison - CC BY-SA 2.0
Shepard, Bert, 1920-2008
Image from Wikimedia Commons
Smithsonian Institution -
Mather, Kirtley F. (Kirtley Fletcher), 1888-1978
Image from Wikimedia Commons
Angela George - CC BY 3.0
King, Larry, 1933-
Image from Wikimedia Commons
Wu, Tingfang, 1842-1922
Image from Wikimedia Commons
unknown - Public Domain
Caine, Georgia, 1876-1964
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Lancisi, Giovanni Maria, 1654-1720
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Morosini, Francesco, 1618 or 1619-1694
Image from Wikimedia Commons
Numan, Gary, 1958-
Image from Wikimedia Commons
unknown - Public Domain
Chekhov, Anton Pavlovich, 1860-1904