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(b.) August 2, 1835 — (d.) January 21, 1901
Edited By: Aaron Sylvan

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Courtesy of About.com Inventors
Courtesy of Oberlin College
(b.) March 26, 1862 — (d.) September 23, 1938
Legacy Content: Unknown Author

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Courtesy of MIT Press
Courtesy of University of St Andrews
Courtesy of Wikipedia
(b.) August 15, 1893 — (d.) December 11, 1950
Script Supervised By: Aaron Sylvan

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Courtesy of Cambridge University Library
(b.) April 16, 1917 — (d.) October 5, 1983
Legacy Content: Unknown Author

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Courtesy of GetCited
Courtesy of IEEE Xplore
(b.) Unknown — (d.) June 8, 1891
Script Supervised By: Aaron Sylvan

Citations:

Courtesy of Antique Telephone Collecting Society
(b.) January 28, 1857 — (d.) September 14, 1898
Legacy Content: Unknown Author

Citations:

Courtesy of MIT
Courtesy of National Inventors Hall of Fame