Alexander Graham Bell (1847-1922) was the son of Melville Bell, inventor of the Visible Speech which revolutionised phonetics and linguistics. He was inspired by his deaf mother to try to communicate with deaf-mutes and teach them to speak. While exploring the mechanism of speech, sound and hearing, he discovered the principles of the telephone, arguably the most important invention of all time, without which the gramophone, radio, television and videophone could not have been possible. The telephone made him wealthy, but ...

Sounds Out of Silence: A Life of Alexander Graham Bell 1997, Mainstream Publishing

ISBN-13: 9781851588336