DeForest Achievements (c. 1920s)

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dr. lee deforest "Father of Radio and Talking Motion Pictures” Dr. Lee DeForest, inventor of Phonofilm and chief of engineers of General Talking Pictures Corporation, is one of the best known of American inventors. He is recognized as the supreme authority on long distance communication. He has been named to the French Legion of Honor, and has been awarded both the Elliott Cresson medal and the John Scott medal. These last two honors, the most coveted recognitions in scientific circles, were both accorded him for his invention of the audion amplifier, the only method of unlimited sound amplification. The audion made the talking motion picture possible for it provides the undistorted volume required for a theatre. Every loud speaker radio also employs the audion, and it is used on all long distance telephone lines.