Alexander Graham Bell Biography
Alexander Graham Bell
Birthplace: Edinburgh, Scotland
Telegraphy—In addition to the telephone, Bell held patents for the telegraph, photophone, phonograph, aerial vehicles, hydroairplanes, and a selenium cell. He was also noted for his medical research and work in teaching speech to the deaf. (1974)
|S. Joseph Begun||The National Inventors Hall of Fame||Willard Harrison Bennett|
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