Lee Deforest made his radio in 1895.
Lee de forest two major inventions were the vacuum tube,and sound for motion pictures
a Radio
De Forest invented the Audion tube, a vacuum tube that takes relatively weak electrical signals and amplifies them.
Lee De Forest died on June 30, 1961, in Hollywood, California, USA.
De Forest is one of the fathers of the "electronic age".
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lee de forest
In 1906 Lee De Forest, an American engineer (often called the "father of radio"), invented the three-element vacuum tube, or triode.
lee de forest
lee de forest
The cast of Lee DeForest - 1922 includes: Lee De Forest as himself
It is believed live radio first went on air on Christmas eve, 1906 broadcast by Reginald Fessenden although this has been disputed. Lee de Forest definitely broadcast an advert in 1907 and the first public radio station was launched in 1910.