Alexander Bell(March 3, 1847 – August 2, 1922). Alexander Graham Bell was an eminent scientist, inventor, engineer and innovator who is credited with. - презентация

1 Alexander Bell(March 3, 1847 – August 2, 1922)

2 Alexander Graham Bell was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.

3 He was born in Scotland in Bell entered the University of Edinburgh and became a teacher. Later he decided to become a doctor and he entered the medical department at the University of London.

4 Then Bell left for the USA and studied sounds there. An idea of inventing a special machine for deaf people occurred to him. Working on this machine he invented the telephone in 1876.

5 At first the telephone was not popular with the public, but after a big campaign it became famous in America. Bell started the Bell Telephone Company to produce telephones.

6 Alexander Bell also improved the telegraph which could send more than one message at a time. Later he gave up his business and spent his money on other scientific research. He also founded the National Geographic Society in 1888.

7 Bell died of complications arising from diabetes on August 2, 1922, at his private estate, Beinn Bhreagh, Nova Scotia, at age 75.