Page:
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- Janssen, Pierre Jules César
- French (Paris, France, 1824 - 1907, Meudon, France)
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- Jawlensky, Alexei
- Russian (Torzhok, Russia, 1864 - 1941, Wiesbaden, Germany)
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- Jaworowski, Jerzy
- Polish (Augustow, Poland, 1919 - 1975)
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- Jean, Marcel
- French (La Charité-sur-Loire, France, 1900 - 1993, Louveciennes, France)
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- Jefferson, Jack
- American (Lead, South Dakota, 1921 - 2000, San Francisco, California)
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- Jenkins, Paul
- American (Kansas City, Missouri, 1923 - 2012, New York City, New York)
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- Jenks, Jonathan B. and Robert V.
- American (active 1850s)
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- Jennings, Jim
- American (Santa Barbara, California, 1940)
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- Jensen, Alfred
- American (Guatemala City, Guatemala, 1903 - 1981, Glen Ridge, New Jersey)
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- Jensen, Jacob
- Danish (Copenhagen, Denmark, 1926)
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- Jensen, Sergej
- Danish (Maglegaard, Denmark, 1973)
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- Jess
- American (Long Beach, California, 1923 - 2004, San Francisco, California)
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- Jet Construction
- American (Founded 1982)
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- Jet Propulsion Laboratory and the Astrogeology Branch, U.S. Geological Survey
- American (Founded 1938)
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- JG Furniture Company, Inc.
- (New York City, New York)
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- Jin Ming, DoDo
- Chinese (Beijing, China, 1955)
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- Jodice, Mimmo
- Italian (Naples, Italy, 1934)
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- Johanson, Chris
- American (San Jose, California, 1968)
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- Johns, Jasper
- American (Augusta, Georgia, 1930)
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- Johnson, Buffie
- American (New York City, New York, 1912 - 2006, New York City, New York)
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- Johnson, Daniel La Rue
- American (Los Angeles, California, 1938)
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- Johnson, Eirik
- American (Seattle, Washington, 1974)
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- Johnson, George H.
- American (1823 - 1879)
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- Johnson, Glen
- American
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- Johnson, Ray
- American (Detroit, Michigan, 1927 - 1995, Sag Harbor, New York)
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- Johnson, Sargent
- American (Boston, Massachusetts, 1888 - 1967, San Francisco, California)
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- Johnson, Thomas
- American (ca. 1821)
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- Johnson, Thomas H.
- American (Active 1860s-1870s)
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- Johnston, Frances Benjamin
- American (Grafton, West Virginia, 1864 - 1952, New Orleans, Louisiana)
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- Johnston, J.S.
- American (Active 1880s-1890s)
