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Category:
Bell, Alexander Graham
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Main Categories
Babbage, Charles
Banneker, Benjamin
Bell, Alexander Graham
Braille, Louis
Eastman, George
Edison, Thomas Alva
Farnsworth, Philo
Goddard, Robert
Gutenberg, Johannes
Hunt, Walter
Kamen, Dean
Marconi, Guglielmo
McCoy, Elijah
Morgan, Garrett
Watt, James
Whitney, Eli
Wright, Wilbur and Orville