Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor with over 180 patents to his credit. He named himself the "Father of Radio," and famously said, "I discovered an Invisible Empire of the Air, intangible, yet solid as granite." In 1906 de Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make it stronger. The Audion, and vacuum tubes...
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Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor with over 180 patents to his credit. He named himself the "Father of Radio," and famously said, "I discovered an Invisible Empire of the Air, intangible, yet solid as granite." In 1906 de Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make it stronger. The Audion, and vacuum tubes...