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  1. Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, electrical engineer and an early pioneer in electronics of fundamental importance. He invented the first practical electronic amplifier , the three-element "Audion" triode vacuum tube in 1906.

  2. 4 days ago · Lee de Forest was an 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.

  3. Lee De Forest. The American inventor and electrical engineer, Lee De Forest is credited for inventing the Audion, a vacuum tube that takes moderately weak electrical signals and amplifies them.

  4. www.encyclopedia.com › electrical-engineering-biographies › lee-de-forestLee De Forest | Encyclopedia.com

    May 14, 2018 · Lee De Forest. 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.

  5. Feb 3, 2016 · Biography. Historical Marker in Ohio Commemorating De Forest's Ship-to-Shore Radio Broadcast. Lee De Forest was born in 1873 and grew up in Alabama. He became interested in machinery as a young child but repeatedly clashed wills with his father, who wanted him to study for the ministry.

  6. 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.

  7. Lee de Forest (1873-1961) was an American inventor. His inventions helped to create radio and television . He is sometimes described as the "Father of Radio ". [1]

  8. Lee de Forest was an American inventor, electrical engineer and an early pioneer in electronics of fundamental importance. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1906.

  9. 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.

  10. Quick Reference. (1873–1961) American physicist and inventor. De Forest, who was born in Council Bluffs, Iowa, was interested in science from the age of 13. His father, a congregational minister, wanted him to study for the Church, but De Forest refused, going instead, in 1893, to the Sheffield Scientific School at Yale University.

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