Which Happened First?

Julius Edgar Lilienfeld

Julius Edgar Lilienfeld
Image: unknown, US government document · Public domain · source

Julius Edgar Lilienfeld was an Austro-Hungarian, and later American electrical engineer and physicist who has been credited with the first patent on the field-effect transistor in 1925. He was never able to build a working practical semiconductor device based on his concept.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. Aurel VlaicuNovember 19, 1882 – September 13, 1913
  2. Hans GeigerSeptember 30, 1882 – September 24, 1945
  3. Henry J. KaiserMay 9, 1882 – August 24, 1967
  4. Julius Edgar Lilienfeld (this page)April 18, 1882 – August 28, 1963
  5. Robert H. GoddardOctober 5, 1882 – August 10, 1945
  6. Edith ClarkeFebruary 10, 1883 – October 29, 1959

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Julius Edgar Lilienfeld (April 18, 1882 – August 28, 1963) · Which Happened First?