Alexander Graham Bell was born in Edinburgh, Scotland on the 3 March 1847. His father was Professor Alexander Melville Bell. Alexander Graham Bell had two brothers.

He was an eminent scientist, inventor, engineer and innovator. He was best known as the inventor of the telephone but he also invented or improved other sound devices.

Bell's father, grandfather and brother done work on elocution and speech. Bell's mother and his wife were deaf which influenced his work. This kind of work on hearing and speech led to the invention of the telephone.

Bell migrated in 1872 to the USA. He became a professor of vocal physiology at Boston University.

Thomas Watson, who was a mechanic, and Alexander Graham Bell experimented various ways to transmit sound electrically. In 1876 the first telephone was patented. 1877 Bell found his own telephone company which was successful..

Bell also made improvements to Thomas Eddison's phonograph and developed the graphophone. He used wax cylinders and disc which was a practical sound-recording device. Bell was also involved in other research projects such as optical telecommunication, hydrofoils and aeronautics.

1888 Alexander Graham Bell became a founding member of the National Geographic Society..

His father pioneered a system to teach deaf people to speak and Alexander Graham Bell spent most of his life promoting and developing the system.

Alexander Graham Bell died of diabetes on 2 August 1922 at his private estate Beinn Bhreagh in Nova Scotia at the age of 75.

During his funeral every phone at North America was silent in honour of the man who had given mankind the means for direct communication at a distance.