Which Happened First?

André Blondel

André Blondel
Image: Ecole Polytechnique, Paris · Public domain · source

André-Eugène Blondel was a French engineer and physicist. He was the inventor of the electromechanical oscillograph and a system of photometric units of measurement.

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

Who was born first?

Timeline

  1. André Blondel (this page)August 28, 1863 – November 15, 1938
  2. Henry RoyceMarch 27, 1863 – April 22, 1933
  3. Leo BaekelandNovember 14, 1863 – February 23, 1944
  4. Paul HéroultApril 10, 1863 – May 9, 1914
  5. Sergei Prokudin-GorskiiAugust 18, 1863 – September 27, 1944
  6. Vladimir SteklovDecember 28, 1863 – May 30, 1926

Related

Play a round with Technology · 19th century
André Blondel (August 28, 1863 – November 15, 1938) · Which Happened First?