James Prescott Joule

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James Prescott Joule the physicist, who worked with heat and energy... News Photo1880-1889,Archival,Black And White,British Culture,Facial Hair,Human Interest,James Prescott Joule,Males,People,Physicist,Science and Technology,VerticalPhotographer Collection: Hulton Archive circa 1880: James Prescott Joule (1818 - 1889) the physicist, who worked with heat and energy and a unit of energy is named after him. Portrait painted by the artist John Collier. (Photo by Rischgitz/Getty Images)