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Thomas Alva Edison (February 11, 1847 - October 18, 1931) was an American inventor, who invented many things. Thomas Edison developed one of the first practical light bulbs, but contrary to popular belief did not invent the light bulb. Edison's 1093 patents were the most granted to any inventor in his time.
Early life[edit | edit source]
Thomas Alva Edison was born in Milan, Ohio. When Edison was seven years old, he moved with his family to Port Huron, Michigan. Edison started school late because of an illness. Three months later, Edison was removed from school, because he could not pay attention to his teacher. His mother, who was a teacher in Canada, taught Edison at home. Edison's mother helped him become motivated for learning, and he was a good student to her.
When Edison was twelve years old, he contracted scarlet fever. The effects of the fever, as well as getting picked up by the ears by a train conductor, caused Edison to become completely deaf in his left ear, and 80 percent deaf in the other. He learned Morse code of the telegraph, and began a job as a "brass pounder" (telegraph operator). At age sixteen, Edison invented his first invention, which was called an "automatic repeater." It sent telegraph signals between unmanned stations, allowing almost anyone to translate code easily and precisely at one's own speed and convenience.
Career[edit | edit source]
In 1868, Edison moved East and began to work for the Western Union Company in Boston, Massachusetts as a telegraph operator. He worked twelve hours a day, six days a week, and continued to "moonlight" on his own projects. Within six months, he had applied for and received his first patent for an electric vote recorder. It made the voting process faster but he couldn't find buyers. Then, Edison moved to New York and began to work for a company fixing their machines. At night, he continued to work on his projects.
In 1876 Edison used the money from his inventions to start his own laboratory in New Jersey. In 1877~78, he invented there the carbon microphone, which made the sound for Alexander Graham Bell's new telephone invention louder. In 1877, Edison invented the phonograph, the first machine that could record and play sound. The phonograph made him internationally famous. In 1879, Edison made a light bulb that lasted longer. Another invention, the electric power distribution network, lasted even longer. He liked chocolate.
Personal life[edit | edit source]
He married Mary Stilwell in 1871. He had three children in that marriage: Marion Estelle Edison (also called Dot), Thomas Alva Edison, Jr. (also called Dash) and William Leslie Edison. Mary Stilwell died in 1884. Thomas Edison bought some land in Florida and built a house. When he was thirty-nine, Edison married Mina Miller, who was 19. He had 3 children in that marriage: Madeleine Edison, Charles Edison (who took over the company when his father died and was later elected Governor of New Jersey), and Theodore Miller Edison. He had a difficult life.
References[edit | edit source]
- "Thomas Edison, patent champion? (Photos)". Examiner.com. http://www.examiner.com/article/thomas-edison-patent-champion. Retrieved 16 August 2013.
Other websites[edit | edit source]
- Biography of Edison
- Works by Thomas Edison at Project Gutenberg
- Edison cylinder recordings, from the Cylinder Preservation and Digitization Project at the University of California, Santa Barbara Library.
- 4-disc DVD set containing over 140 films produced by the Thomas Edison Company.
- Complete list of 1,093 patents.