1 Alexander Graham Bell(Inventor of Telephone)
Alexander Graham Bell was a scientist, inventor, and engineer. He is credited with inventing the first functional telephone. He is also credited with co-founding America's major telephone company AT&T, which has been going strong since 1885. Bell's later life was marked by his groundbreaking work in aeronautics, hydrofoils, and optical telecommunications. He was also an ardent supporter of compulsory sterilization.