Bell, Alexander Graham (1847-1922)

Invented the telephone (with Thomas Watson) in 1876.

Bell also improved Thomas Edison's phonograph. Bell invented the multiple telegraph (1875), the hydroairplane, the photo-sensitive selenium cell (the photophone, a wireless phone, developed with Sumner Tainter), and new techniques for teaching the deaf to speak.

In 1882, Bell and his father-in-law, Gardiner Hubbard, bought and re-organized the journal "Science." Bell, Hubbard and others founded the National Geographic Society in 1888; Bell was the President of the National Geographic Society from 1898 to 1903.

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Subjects: Famous Scientists & Engineers