Which Happened First?

Edmond Becquerel

Edmond Becquerel
Image: Nadar · Public domain · source

Alexandre-Edmond Becquerel was a French physicist who studied the solar spectrum, magnetism, electricity, and optics. In 1839, he discovered the photovoltaic effect, the operating principle of the solar cell, which he invented in the same year. He is also known for his work in luminescence and phosphorescence.

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 ChancourtoisJanuary 2, 1820 – November 14, 1886
  4. Edmond Becquerel (this page)March 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
Edmond Becquerel (March 24, 1820 – May 11, 1891) · Which Happened First?