Alexander Graham Bell

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

Death
Bell died on August 2, 1922, at the age of 75 in Nova Scotia, Canada. The cause of his death was complications from diabetes.