Emile Berliner

Born: 1851
Birthplace: Hanover, Germany

Microphone and gramophone—The Berliner microphone enhanced Bell's telephone that had been limited to short transmissions. The gramophone introduced the flat disk which provided a method for inexpensive mass production. (1994)

Died: 1929

Willard Harrison BennettThe National Inventors Hall of FameHenry Bessemer