- Alexander Graham Bell was a scientist, engineer and inventor born in Scotland in 1847. His first invention was when he was just 12 years old
- His interest in sound began when his mother became deaf. He started to design machines to transmit sounds
- In 1870 Bell discovered the telephone.His first phone call was to his assistant Thomas Watson.
-Today there are approximately 1.27 bilion landline phones in the world and 4 bilion mobile phones.
- In the Uk there are many people with mobile phones than in the USA