# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ernst-alexanderson
# Generated: 2026-08-14T08:38:05.682Z

schema: https://schema.org/Person
url: "https://fame.am/person/ernst-alexanderson"
name: "Ernst Alexanderson"
slug: "ernst-alexanderson"
description: "Ernst Frederick Werner Alexanderson was a Swedish-American electrical engineer and inventor who was a pioneer in radio 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."
tagline: "Swedish American electrical engineer (1878–1975)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Ernst_Alexanderson_(1920).jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1878-01-25"
deathDate: "1975-05-14"
livingStatus: "DECEASED"
scores:
  popularity:           52.04
  momentum:             2.636363636363636
  historical:           20.56335733333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://tr.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%A5%D8%B1%D9%86%D8%B3%D8%AA_%D8%A3%D9%84%D9%83%D8%B3%D9%86%D8%AF%D8%B1%D8%B3%D9%88%D9%86"
    title: "إرنست ألكسندرسون"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%A7%D8%B1%D9%86%D8%B3%D8%AA_%D8%A7%D9%84%D9%83%D8%B3%D9%86%D8%AF%D8%B1%D8%B3%D9%88%D9%86"
    title: "ارنست الكسندرسون"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D8%A7%D8%B1%D9%86%D8%B3%D8%AA_%D8%A7%D9%84%DA%A9%D8%B3%D8%A7%D9%86%D8%AF%D8%B1%D8%B3%D9%86"
    title: "ارنست الکساندرسن"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://da.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ernst_Fredrik_Werner_Alexanderson"
    title: "Ernst Fredrik Werner Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Ernst_Frederik_Werner_Alexanderson"
    title: "Ernst Frederik Werner Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%A7%D8%B1%D9%86%D8%B3%D8%AA_%D8%A7%D9%84%DA%A9%D8%B3%D8%A7%D9%86%D8%AF%D8%B1%D8%B3%D9%86"
    title: "ارنست الکساندرسن"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://hy.wikipedia.org/wiki/%D4%B7%D5%BC%D5%B6%D5%BD%D5%BF_%D4%B1%D5%AC%D5%A5%D6%84%D5%BD%D5%A1%D5%B6%D5%A4%D5%A5%D6%80%D5%BD%D5%B8%D5%B6"
    title: "Էռնստ Ալեքսանդերսոն"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%BC%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BB%E3%82%A2%E3%83%AC%E3%82%AD%E3%82%B5%E3%83%B3%E3%83%80%E3%83%BC%E3%82%BD%E3%83%B3"
    title: "アーンスト・アレキサンダーソン"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%97%90%EB%A5%B8%EC%8A%A4%ED%8A%B8_%EC%95%8C%EB%A0%89%EC%82%B0%EB%8D%B0%EB%A5%B4%EC%86%90"
    title: "에른스트 알렉산데르손"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://ml.wikipedia.org/wiki/%E0%B4%8F%E0%B4%A3%E0%B4%B8%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D_%E0%B4%85%E0%B4%B2%E0%B4%95%E0%B5%8D%E0%B4%B8%E0%B4%BE%E0%B4%A3%E0%B5%8D%E0%B4%9F%E0%B5%87%E0%B4%B4%E0%B5%8D%E0%B4%B8%E0%B5%BA"
    title: "ഏണസ്റ്റ് അലക്സാണ്ടേഴ്സൺ"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D0%B5%D1%80%D1%81%D0%BE%D0%BD%2C_%D0%AD%D1%80%D0%BD%D0%B5%D1%81%D1%82"
    title: "Александерсон, Эрнест"
    type:  "WIKIPEDIA"
  - url: "https://sh.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Ernst_Alexanderson"
    title: "Ernst Alexanderson"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q472510"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump