Which Happened First?

Ferdinand Monoyer

Ferdinand Monoyer
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Ferdinand Monoyer was a French ophthalmologist, known for introducing the dioptre in 1872.

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

Who was born first?

Timeline

  1. Cato Maximilian GuldbergAugust 11, 1836 – January 14, 1902
  2. Ferdinand Monoyer (this page)May 9, 1836 – July 11, 1912
  3. Norman LockyerMay 17, 1836 – August 16, 1920
  4. Henry DraperMarch 7, 1837 – November 20, 1882
  5. Johannes Diderik van der WaalsNovember 23, 1837 – March 8, 1923
  6. Richard Anthony ProctorMarch 23, 1837 – September 12, 1888

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