Which Happened First?

Christopher Hansteen

Christopher Hansteen
Image: Aasta Hansteen · Public domain · source

Christopher Hansteen was a Norwegian geophysicist, astronomer and physicist, best known for his mapping of Earth's magnetic field.

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

Who was born first?

Timeline

  1. Friedrich SertürnerJune 19, 1783 – February 20, 1841
  2. Charles DupinOctober 6, 1784 – January 18, 1873
  3. Christopher Hansteen (this page)September 26, 1784 – April 11, 1873
  4. Friedrich BesselJuly 22, 1784 – March 17, 1846
  5. Leopoldo NobiliJuly 5, 1784 – August 22, 1835
  6. William BucklandMarch 12, 1784 – August 14, 1856

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