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Heike Huslage-Koch - CC BY-SA 4.0
HaWe - CC BY-SA 3.0
Not stated - Public Domain
unknown - Public Domain
Public Domain
Angela George - CC BY-SA 3.0
D C McJonathan - CC BY-SA 3.0
unknown (photo taken and reworked by Chriusha - Public Domain
ETH Zürich - CC BY-SA 3.0
original uploader - Public Domain
Joseph Stella - Public Domain
Tilman Riemenschneider carver - Public Domain
United Nations Development Programme - CC BY 2.0
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Heike Huslage-Koch - CC BY-SA 4.0
Gaarder, Jostein, 1952-....
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HaWe - CC BY-SA 3.0
Fox, Charles James, 1798?-1874
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Wrench, Evelyn, 1882-1966
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Not stated - Public Domain
Winship, Albert E. (Albert Edward), 1845-1933
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Richards, Frederick William, Sir, 1833-1912
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Sting, (Musician)
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Tovar, Lupita
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unknown - Public Domain
Foulke, William Dudley, 1848-1935
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unknown - Public Domain
Baker, Purley Albert, 1858-1924
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Public Domain
Green, G. G. (George Gill), 1842-1925
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Angela George - CC BY-SA 3.0
Cassavetes, Nick
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Troedel, Charles, 1835-1906
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D C McJonathan - CC BY-SA 3.0
Lane, Kenneth Jay, 1932-....
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unknown - Public Domain
Sweet, Henry, 1845-1912
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Reiss, Ignace, -1937
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unknown - Public Domain
Boussingault, J. B. (Jean Baptiste), 1802-1887
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Wilson, John S. (John Steuart), 1913-2002
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unknown (photo taken and reworked by Chriusha - Public Domain
Maillart, Robert, 1872-1940
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Zewail, Ahmed H.
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Waerden, B.L. van der (Bartel Leendert), 1903-1996
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Public Domain
Mina, Francisco Javier, 1789-1817
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ETH Zürich - CC BY-SA 3.0
Lübke, Wilhelm, 1826-1893
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Arkwright, Richard, Sir, 1732-1792
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original uploader - Public Domain
Belmont, Perry, 1850-1947
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Joseph Stella - Public Domain
Stella, Joseph, 1877-1946
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Tilman Riemenschneider carver - Public Domain
Trithemius, Johannes, 1462-1516
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Rambert, Marie
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Streeton, Arthur, Sir, 1867-1943
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Mattea, Kathy
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United Nations Development Programme - CC BY 2.0
Clark, Helen, 1950-....