Vacuum tube

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Lee de Forest | American inventor | Britannica Steel Company, Charles Schwab, New York Stock Exchange, Oscar Award, Photo Editing Programs, Academy Award Winners, Trust In God, History Of Science, Powerful Images

Lee de Forest, (born August 26, 1873, Council Bluffs, Iowa, U.S.—died June 30, 1961, Hollywood, California), American inventor of the Audion vacuum tube, which made possible live radio broadcasting and became the key component of all radio, telephone, radar, television, and computer systems before the invention of the transistor in 1947. Although de Forest was bitter over the financial exploitation of his inventions by others, he was widely honoured as the “father of radio” and the…

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