Alexander Graham BellBorn: 1847
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)Died: 1922
Fact Monster/Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.