Which Happened First?

Robert Bunsen

Robert Bunsen
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Robert Wilhelm Eberhard Bunsen was a German chemist. He investigated emission spectra of heated elements, and discovered caesium in 1860 and rubidium in 1861 with the physicist Gustav Kirchhoff. The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff.

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

Who was born first?

Timeline

  1. Auguste BravaisAugust 23, 1811 – March 30, 1863
  2. Carlo MatteucciJune 20, 1811 – June 24, 1868
  3. John William DraperMay 5, 1811 – January 4, 1882
  4. Otto HesseApril 22, 1811 – August 4, 1874
  5. Robert Bunsen (this page)March 30, 1811 – August 16, 1899
  6. Urbain Le VerrierMarch 11, 1811 – September 23, 1877

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