Ernst Alexanderson, Date of Birth, Place of Birth, Date of Death

Ernst Alexanderson

electrical engineer

Date of Birth: 25-Jan-1878

Place of Birth: Uppsala Cathedral Assembly, Uppsala County, Sweden

Date of Death: 14-May-1975

Profession: inventor, electrical engineer

Nationality: United States, Sweden

Zodiac Sign: Aquarius

Ernst Frederick Werner Alexanderson (January 25, 1878 – May 14, 1975) 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.