Which Happened First?

Alexandre-Émile Béguyer de Chancourtois

Alexandre-Émile Béguyer de Chancourtois
Image: Meithal · Public domain · source

Alexandre-Émile Béguyer de Chancourtois was a French geologist and mineralogist who was the first to arrange the chemical elements in order of atomic weights, doing so in 1862. De Chancourtois only published his paper, but did not publish his actual graph with the irregular arrangement.

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

Who was born first?

Timeline

  1. Annibale de GasparisNovember 9, 1819 – March 21, 1892
  2. Sir George Stokes, 1st BaronetAugust 13, 1819 – February 1, 1903
  3. Alexandre-Émile Béguyer de Chancourtois (this page)January 2, 1820 – November 14, 1886
  4. Edmond BecquerelMarch 24, 1820 – May 11, 1891
  5. Édouard RocheOctober 17, 1820 – April 27, 1883
  6. Lewis A. SwiftFebruary 29, 1820 – January 5, 1913

Related

Play a round with Science · 19th century
Alexandre-Émile Béguyer de Chancourtois (January 2, 1820 – November 14, 1886) · Which Happened First?