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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.
3 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.
Learn about the life and achievements of Lee De Forest, the American inventor of the Audion, a vacuum tube that amplified weak signals. Find out how he contributed to radio, film, and computer technology, and why he died poor.
Learn about Lee DeForest, the "Father of Radio", who invented the triode or audion tube that made wireless radio broadcasting possible. Explore his biography, patents, and achievements in computing and telecommunications.
Learn about the life and inventions of Lee De Forest, an American inventor who created the Audion, a device that amplified and modulated electromagnetic signals. He also developed Phonofilm, a system of sound-on-film technology for motion pictures.
May 14, 2018 · Learn about the life and achievements of Lee De Forest, the American physicist who invented the triode vacuum tube and contributed to radio and sound motion pictures. Find out his background, education, patents, awards, and controversies.
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.
