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By Charlotte White. PwC About Alexandra Alexander was born on the 3 rd March 1847 in Edinburgh. He was educated In London. He moved to the US to teach.

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Presentation on theme: "By Charlotte White. PwC About Alexandra Alexander was born on the 3 rd March 1847 in Edinburgh. He was educated In London. He moved to the US to teach."— Presentation transcript:

1 By Charlotte White

2 PwC About Alexandra Alexander was born on the 3 rd March 1847 in Edinburgh. He was educated In London. He moved to the US to teach. There he pioneered a system called visible speech, developed by his father, to teach deaf-mute children.

3 In 1872 Alexander owned a school in Boston. The school subsequently became part of Boston University, where Bell was appointed professor of vocal physiology in He became a naturalised U.S. citizen in 1882.

4 Alexander was always fascinated by the idea of transmitting sound. By 1875 he came up with a simple receiver that turned electricity into sound.

5 o Alexander Graham Bell invented the telephone on 7 th March o Within a year the first telephone exchange was built in Connecticut and the Bell Telephone Company was created in 1877, with Bell the owner of a third of the shares, quickly making him a wealthy man.

6 However, debate still continues who actually invented the telephone. It has been said that Antonio Meucci created it. He was an Italian inventor, but nobody really knows who invented it.

7 PwC THANK YOU


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