Edwin Armstrong

Born: 1890
Birthplace: New York City

Method of receiving high frequency oscillations—Armstrong devised wide-band frequency modulation (FM radio) as a means of reducing background static. He also invented the regenerative circuit, the superheterodyne, and the super-regenerative circuit. (1980)

Died: 1954
Luis Walter AlvarezThe National Inventors Hall of FameGeorge H. Babcock

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