How old was Alexander Graham Bell when he invented the telephone?

Alexander Graham Bell was an influential scientist, engineer and inventor. He was born on March 3, 1847 in Edinburgh, Scotland. He died on August 2, 1922 at the age of 75. He is widely credited with the invention of the first practical telephone. read more

Alexander Graham Bell, (born March 3, 1847, Edinburgh, Scotland—died August 2, 1922, Beinn Bhreagh, Cape Breton Island, Nova Scotia, Canada), Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886). read more

Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company (AT&T) in 1885. read more