History alexander graham bell

Alexander Graham Bell (–) was a British-American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone () and refinement of the phonograph (). He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight. Alexander Graham Bell was born in Edinburgh, Scotland, on March 3, Bell’s father was a professor of speech elocution at the University of Edinburgh and his mother, despite being deaf, was. Early years First steps Professional growth Public recognition Peak period Later years Public interest Professional activity Media attention
Alexander Graham Bell (/ ˈɡreɪ.əm / ⓘ; born Alexander Bell; March 3, – August 2, ) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in [7] Bell's father, grandfather, and brother had all been associated with.