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Harvey Fletcher

physicist

Harvey Fletcher

American physicist (1884-1981)

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About Harvey Fletcher

Harvey Fletcher was an American physicist. Known as the "father of stereophonic sound", he is credited with the invention of the 2-A audiometer and an early electronic hearing aid. He was an investigator into the nature of speech and hearing, and made contributions in acoustics, electrical engineering, speech, medicine, music, atomic physics, sound pictures, and education. Following his death, he was credited with collaborating with his doctoral advisor, Robert Millikan, on the Nobel-prize winning oil drop experiment which first determined the charge of the electron.

Facts from Wikidata (CC0). Image by Brigham Young University Banyan via Wikimedia Commons (Public domain).

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Occupation: physicist, teacher, inventor
Citizenship: United States
Born: September 11, 1884
Died: July 23, 1981

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