Transcript Alexandra Graham Bell

By Charlotte White
About Alexandra
• Alexander was born on the 3rd 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.
PwC
 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
1873. He became a
naturalised U.S. citizen
in 1882.
 Alexander was always
fascinated by the idea of
transmitting sound.
 By 1875 he came up with a
simple receiver that
turned electricity into
sound.
o Alexander Graham Bell
invented the telephone on 7th
March 1876.
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.
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.
THANK YOU
PwC