Edison has more than 2, inventions, including the phonograph, movie camera, tungsten light bulb and so on, which have great influence on the world. In the United States, Edison has 193 patents, while his patents in Britain, France, Germany and other places have accumulated more than 15.
Thomas Alva Edison (English name: Thomas Alva Edison, 1847-1931), a world-famous inventor, physicist and entrepreneur, has many famous and important invention patents over 2,, and was awarded the title of "Menlo Park's Wizard" by the media! He is the first person in the history of mankind to use a large number of production principles and electrical engineering research laboratories to engage in invention patents and have a great and far-reaching impact on the world.
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People's evaluation
Hoover, the 31st president of the United States: "He was a great inventor and a benefactor of mankind." Facing everything around him, being optimistic about life until death is Edison's attitude all his life. ?
Edison's education level is extremely low, but his contribution to mankind is so great. Apart from his curiosity and an instinct to experiment by himself, Edison has boundless energy and courage to work hard beyond ordinary people.
Edison has made so many inventions in his 84-year life, and he has always been persistent and devoted to inventions. Besides his inventions and contributions in phonograph, electric light, telephone, telegraph and film, he also has many creations and insights in mining, construction and chemical industry, and he has made great contributions to human civilization and progress.
People's Daily Online-On December 6th, 1877, Edison invented the world's first phonograph? What are the important inventions in his life?
Baidu Encyclopedia-Edison