Image from Wikimedia Commons
unknown - Public Domain
Huhu Uet -
Georges Biard - CC BY-SA 3.0
:fr:Studio Harcourt - CC BY 3.0
Public Domain
Siebe van Ineveld - CC BY-SA 2.0
Not stated - Public Domain
User Steve Eifert - Public Domain
Wikifrits - Public Domain
Wikimandia - CC BY-SA 4.0
TV episode screenshot (CBS) -
Unknown artist; without any doubt dead for more than 70 years - Public Domain
U.S. Army Signal Corps - Public Domain
Fritz Cohen - Public Domain
The Schwadron Collection of the National Library of Israel - Public Domain
Georges Seguin (Okki - CC BY-SA 3.0
knudsentrust.org - Public Domain
Image from Wikimedia Commons
Frank, Joe
Image from Wikimedia Commons
unknown - Public Domain
Cunningham, Ann Pamela, 1816-1875
Image from Wikimedia Commons
Dollond, John, 1706-1761
Image from Wikimedia Commons
Huhu Uet -
Dawson, Steve, 1951-
Image from Wikimedia Commons
Le Bas, Jacques-Philippe, 1707-1783
Image from Wikimedia Commons
Georges Biard - CC BY-SA 3.0
Scott-Thomas, Kristin, 1960-....
Image from Wikimedia Commons
:fr:Studio Harcourt - CC BY 3.0
Baye, Nathalie, 1948-....
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Public Domain
Waterman, Alan Tower, 1892-1967
Image from Wikimedia Commons
Siebe van Ineveld - CC BY-SA 2.0
Douglas, Dave
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Not stated - Public Domain
Pease, Lute, 1869-1963
Image from Wikimedia Commons
User Steve Eifert - Public Domain
Tamayo, Rufino, 1899-1991
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Anthing, Frederic, 1753-1805
Image from Wikimedia Commons
Wikifrits - Public Domain
Tajiri, Shinkichi, 1923-2009
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Boileau, Gerald J.
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Gravina, Federico, 1756-1806
Image from Wikimedia Commons
Wikimandia - CC BY-SA 4.0
Bessborough, Frederick Ponsonby, Earl of, 1913-
Image from Wikimedia Commons
TV episode screenshot (CBS) -
King, Wright
Image from Wikimedia Commons
Unknown artist; without any doubt dead for more than 70 years - Public Domain
Thibaut, Anton Friedrich Justus, 1772-1840
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Thorndike, Sybil, Dame, 1882-1976
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U.S. Army Signal Corps - Public Domain
Campbell, Levin Hicks, 1886-1976
Image from Wikimedia Commons
Fritz Cohen - Public Domain
Bergmann, Ernst David, 1903-
Image from Wikimedia Commons
Bochsa, Robert-Nicolas-Charles 1789-1856
Image from Wikimedia Commons
The Schwadron Collection of the National Library of Israel - Public Domain
Deinard, Ephraim, 1846-1930
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Hardy, Florence Emily, 1881-1937
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Georges Seguin (Okki - CC BY-SA 3.0
Tavernier, Bertrand
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Georges Biard - CC BY-SA 3.0
Pastor, Thierry
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unknown - Public Domain
Sekles, Bernhard, 1872-1934
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Schmidel, Ulrich, 1510?-1579?
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Matoub, Lounè€s, 1956-1998
Image from Wikimedia Commons
knudsentrust.org - Public Domain
Knudsen, Valdemar, -1898