Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service, and it ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Bronze bust of triode inventor Lee de ...
Lee de Forest's father was a minister and hoped that his son would follow in his footsteps. In order to be trained for this calling, de Forest left Alabama for prep school in Massachusetts. His life ...
Typed letters and manuscript signed in black ink on unlined paper. Lee de Forest was an American inventor, self-described "Father of Radio", and a pioneer in the development of sound-on-film recording ...
Lee de Forest, (born August 26, 1873, Council Bluffs, Iowa, U.S.—died June 30, 1961, Hollywood, California), American inventor of the Audion vacuum tube, which made possible live radio broadcasting ...
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