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Reginald A. Fessenden

AM Radio

Reginald Fessenden is known for discovering amplitude modulation (AM) radio and explaining its scientific principles. With his heterodyne principle,…
Inducted in: 2000
Born:
U.S. Patent No.: 706,747
Died:

Ernst F. W. Alexanderson

High-Frequency Alternator

Ernst Alexanderson was the General Electric Company engineer whose high-frequency alternator gave America its start in the field of radio…
Inducted in: 1983
Born:
U.S. Patent No.: 1,008,577
Died: