Which Happened First?

Kristian Birkeland

Kristian Birkeland
Image: Asta Nørregaard · Public domain · source

Kristian Olaf Bernhard Birkeland was a Norwegian space physicist, inventor, and professor of physics at the Royal Fredriks University in Oslo. He is best remembered for his theories of atmospheric electric currents that elucidated the nature of the aurora borealis.

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

Who was born first?

Timeline

  1. Charles Dillon PerrineJuly 28, 1867 – June 21, 1951
  2. Charles FabryJune 11, 1867 – December 11, 1945
  3. Edgar de WahlAugust 11, 1867 – March 9, 1948
  4. Johannes FibigerApril 23, 1867 – January 30, 1928
  5. Kristian Birkeland (this page)December 13, 1867 – June 15, 1917
  6. Maxime BôcherAugust 28, 1867 – September 12, 1918

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Kristian Birkeland (December 13, 1867 – June 15, 1917) · Which Happened First?