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Lee de Forest was born in 1873 in Council Bluffs, Iowa, the son of Anna Margaret (née Robbins) and Henry Swift DeForest. [1] [2] He was a direct descendant of Jessé de Forest, the leader of a group of Walloon Huguenots who fled Europe in the 17th century due to religious persecution.
Lee De Forest * 1873 Audion amplifier tube [24] 1977 Vladimir K. Zworykin * 1888 Cathode-ray tube [25] 1978 Carl Djerassi: 1923 Oral contraceptives [26] 1978 Leo Baekeland: 1863 Bakelite [27] 1978 Louis Pasteur: 1822 Pasteurization [28] 1978 Luis Walter Alvarez: 1911 Radar, liquid hydrogen bubble chamber [29] 1979 Charles J. Plank: 1915 ...
The film focused primarily [5] on the three pioneers [6] of radio in America: Lee de Forest, Edwin Howard Armstrong, and David Sarnoff. [7] The program interspersed audio and musical highlights of "old time" radio with the stories, achievements, failures, scams and bitter feuds between each of the main protagonists. [8]
Juan de la Cierva (1895–1936), ... Lee de Forest (1873–1961), U.S. ... known for several contributions and over seventy patents related to telecommunications ...
The first commercial AM Audion vacuum tube radio transmitter, built in 1914 by Lee De Forest who invented the Audion in 1906. During the mid-1920s, amplifying vacuum tubes revolutionized radio receivers and transmitters. John Ambrose Fleming developed a vacuum tube diode. Lee de Forest placed a screen, added a "grid" electrode, creating the triode.
A Musical Monologue is a 1923 American short film produced by Lee De Forest in his Phonofilm sound-on-film process. The film features Phil Baker, well-known vaudevillian, singing and playing the accordion.
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"for his contributions to the world of entertainment for more than half a century." 1959: Buster Keaton "for his unique talents which brought immortal comedies to the screen." Lee de Forest "for his pioneering inventions which brought sound to the motion picture."