Ernst F. W. Alexanderson

(Ernst Frederick Werner Alexanderson)

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  • Born: January 25, 1878
  • Died: May 14, 1975
  • Nationality: Swedish
  • Profession:

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Ernst Frederick Werner Alexanderson was a Swedish-American electrical engineer, who was a pioneer in radio and television development. He invented the Alexanderson alternator, an early radio transmitter used between 1906 and the 1930s for longwave long distance radio transmission. Alexanderson also created the amplidyne, a direct current amplifier used during the Second World War for controlling anti-aircraft guns.

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