Lee De Forest Biography

Inventor, Scientist (1873–1961)
Inventor of the Audion vacuum tube, Lee De Forest made possible live radio broadcasting before the invention of the transistor.


Lee De Forest was born August 26, 1873 in Council Bluffs, Iowa. He invented the Audion vacuum tube, which made possible live radio broadcasting and became the key component of all radio, telephone, radar, television, and computer systems. Although bitter over the financial exploitation of his inventions by others, he was widely honored as the “father of radio” and the “grandfather of television.”

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