Edwin Howard Armstrong

Edwin Howard Armstrong (December 18, 1890[2] – February 1, 1954[3]) was an American electrical engineer and inventor, who developed FM (frequency modulation) radio and the superheterodyne receiver system. He held 42 patents and received numerous awards, including the first Medal of Honor awarded by the Institute of Radio Engineers (now IEEE), the French Legion of Honor, the 1941 Franklin Medal and the 1942 Edison Medal. He was inducted into the National Inventors Hall of Fame and included in the International Telecommunication Union's roster of great inventors. Armstrong attended Columbia University, and served as a professor there for most of his life.

Edwin H. Armstrong
Sketch of Armstrong, c. 1954
Born(1890-12-18)December 18, 1890
DiedFebruary 1, 1954(1954-02-01) (aged 63)
EducationColumbia University
OccupationElectrical engineer, inventor
Known forArmstrong oscillator
Armstrong Tower
Armstrong phase modulator
FM broadcasting
FM radio
Frequency modulation
Regenerative circuit
Superheterodyne receiver
(m. 1922)
AwardsIEEE Medal of Honor (1917)
Holley Medal (1940)
Franklin Medal (1941)
IEEE Edison Medal (1942)
Washington Award (1951)

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