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  1. May 14, 2018 · The American inventor Lee De Forest (1873-1961) pioneered in radio, both in developing broadcasting and in inventing the audion. He is considered one of the fathers of radio. Lee De Forest was born in Council Bluffs, Iowa, in 1873, where his father was a minister.

  2. Lee De Forest, (born Aug. 26, 1873, Council Bluffs, Iowa, U.S.—died June 30, 1961, Hollywood, Calif.), U.S. inventor. He had invented many gadgets by age 13, including a working silverplating apparatus. After earning a Ph.D. from Yale University, he founded the De Forest Wireless Telegraph Co. (1902) and the De Forest Radio Telephone Co. (1907).

  3. lemelson.mit.edu › resources › lee-deforestLee DeForest | Lemelson

    Lee De Forest (1873-1961) invented the device that made wireless radio broadcasting practicable: the "triode" or "audion" amplifier. At Yale University, De Forest helped pay his tuition with his mechanical and gaming inventions. He narrowed his focus to radio when he began working on his PhD, which he received in 1899.

  4. Lee De Forest (August 26, 1873 – June 30, 1961) was an American inventor with over 300 patents to his credit. De Forest invented the triode vacuum tube, which ushered in a new age of electronics through its use in the amplification of electrical signals.

  5. Throughout his tumultuous life -- many failed businesses, ongoing lawsuits, patent applications, and four marriages -- de Forest promoted radio and later television as a way to raise Americans...

  6. Jun 20, 2023 · June 20, 2023 by Robert Keim. A scholar, researcher, and tireless inventor, Lee de Forest made a seemingly small modification to vacuum-tube technology. The repercussions in the incipient electronics industry were immense. Audiophiles, I’ve been told, appreciate vacuum tubes.

  7. Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor and a fundamentally important early pioneer in electronics. He invented the first practical electronic amplifier , the three-element "Audion" triode vacuum tube in 1906. This helped start the Electronic Age, and enabled the development of the electronic oscillator.

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