Image from Wikimedia Commons
unknown - Public Domain
Lobsterthermidor - Public Domain
Guillom - CC BY 3.0
NASA - Public Domain
Anonymous - Public Domain
Leonor Hopscotch - CC BY-SA 3.0
Ed Kavishe for http://www.fashionwirepress.com/ - CC BY 3.0
Bain News Service, publisher - Public Domain
Author - Dr. Jeff Mozzochi (passed copyright for the photo to owner - professor Robert Phelan Langlands) -
Antonio de La Gandara - Public Domain
not stated - Public Domain
Undetermined -
Hreinn Gudlaugsson - CC BY-SA 4.0
Image from Wikimedia Commons
Nero, Emperor of Rome, 37-68
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Provenzo, Eugène F.
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unknown - Public Domain
Spada, Fabrizio, 1643-1717
Image from Wikimedia Commons
Bearden, Gene, 1920-2004
Image from Wikimedia Commons
unknown - Public Domain
Granger, Lester B. (Lester Blackwell), 1896-1976
Image from Wikimedia Commons
Lobsterthermidor - Public Domain
Jacob, John, 1812-1858
Image from Wikimedia Commons
Hicks, Thomas Holliday, 1798-1865
Image from Wikimedia Commons
Guillom - CC BY 3.0
Jacquard, Albert
Image from Wikimedia Commons
Bradstreet, John, 1711-1774
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Alfvén, Hugo
Image from Wikimedia Commons
unknown - Public Domain
Morris, F. O. (Francis Orpen), 1810-1893
Image from Wikimedia Commons
NASA - Public Domain
Discovery (Spacecraft)
Image from Wikimedia Commons
Anonymous - Public Domain
Demarest, William H. S. (William Henry Steele), 1863-1956
Image from Wikimedia Commons
Leonor Hopscotch - CC BY-SA 3.0
Barnes, Danny
Image from Wikimedia Commons
Ed Kavishe for http://www.fashionwirepress.com/ - CC BY 3.0
Cavalli, Roberto
Image from Wikimedia Commons
Bain News Service, publisher - Public Domain
Reuterdahl, Henry, 1871-1925
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unknown - Public Domain
Fibich, Zdeněk, 1850-1900
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Lassen, Christian, 1800-1876
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Lins, Paulo, 1958-....
Image from Wikimedia Commons
Kent, Jean, 1921-2013
Image from Wikimedia Commons
Author - Dr. Jeff Mozzochi (passed copyright for the photo to owner - professor Robert Phelan Langlands) -
Langlands, Robert P., 1936-
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Lea, Homer, 1876-1912
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Cornwallis, William, Sir, 1744-1819
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Lytton, Edward Bulwer Lytton, Baron, 1803-1873
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Antonio de La Gandara - Public Domain
La Gandara, Antonio de, 1861-1917
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not stated - Public Domain
MacManus, Seumas, 1869-1960
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Undetermined -
Kettle, Tom, 1880-1916
Image from Wikimedia Commons
Hreinn Gudlaugsson - CC BY-SA 4.0
Smulyan, Gary
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Schoenberg, Arnold, 1874-1951
Image from Wikimedia Commons
Manning, Irene, 1912-2004