National Geographic : 1947 Mar
Birthplace of Telephone Magic ilJfc: * Lal't s ptfs1t complt 'tl 0 Nalioinal(eiogra li society Ektachrome by Willard It. (C liver 2,()00 Scientists Today Carry on the Work of Alexander Graham Bell, Inventor of the Telephone In the vast Bell Telephone Laboratories they have produced near-miracles in telephone improvements and scientific weapons of war. Dr. Bell, whose portrait above was painted three years before he died in 1922, invented the telephone at the age of 29. First sentence was transmitted when Bell called to his assistant in the next room.