Paula 4ºB

Thomas Edison was born on February 11 in 1847 and was an American inventor, bussinesman and sciencist. He has made numerous inventions that contributed to telecomunications.
When he was a child his mother homeschooled him. Much of his education came from reading R.G. Parker's School of Natural Philosophy and The Cooper Union.
Thomas Edison began his career as an inventor in Newark, New Jersey, with the automatic repeater and the telegraph, but the invention with he ganed his fame was the phonograph in 1877.
The Edison's major innovation was the first industrial lab, which was built in Menlo Park, New Jersey. It was built with the funds from the sale of Edison's quadruplex telegraph.
In 1877–1878, Edison invented and developed the carbon microphone used in all telephones along with the Bell receiver until the 1980s. The carbon microphone was also used in radio broadcasting and public address work through the 1920s.
Edison made a lot of improvements to the idea of incandescent light, and he was known "the inventor" of the light bulb.
Thomas Edison died on October 18, 1931.
http://www.youtube.com/watch?v=Qom7VCi4cZk