Alexander Graham Bell, Biography, Education, Telephone, Inventions, & Facts

Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886). He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight.

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Alexander Graham Bell, Biography & Inventions

Alexander Graham Bell Biography, Education, Telephone, Inventions, & Facts

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