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Harper's Encyclopedia of United States History (ed. Benson Lossing) 2 0 Browse Search
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Harper's Encyclopedia of United States History (ed. Benson Lossing), Craven, John Joseph 1822- (search)
Craven, John Joseph 1822- Physician; born in Newark, N. J., in September, 1822; superintended the erection of the first telegraph line between New York and Philadelphia, using many original devices, in 1846; was the first to insulate telegraph wires with gutta-percha, to perfect a submarine cable, and to use glass on telegraph poles to prevent the grounding of the wires. In 1861 he was appointed surgeon of the 1st New Jersey Volunteers; soon afterwards became brigade surgeon; was appointed medical director of the Department of the South, and in January, 1865, was assigned to duty at Fort Monroe, where he had full charge of Jefferson Davis during his imprisonment. After the war he published The prison life of Jefferson Davis. He died on Long Island, N. Y., Feb. 14, 1893.