Which Happened First?

Rudolf Wolf

Rudolf Wolf
Image: Emil Gassler · Public domain · source

Johann Rudolf Wolf was a Swiss astronomer and mathematician best known for his research on sunspots.

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

Who was born first?

Timeline

  1. Carl ZeissSeptember 11, 1816 – December 3, 1888
  2. Catherine Wolfe BruceJanuary 22, 1816 – March 13, 1900
  3. Charles Frédéric GerhardtAugust 21, 1816 – August 19, 1856
  4. Charles-Eugène DelaunayApril 9, 1816 – August 5, 1872
  5. Ion GhicaAugust 12, 1816 – May 7, 1897
  6. Rudolf Wolf (this page)July 7, 1816 – December 6, 1893

Related

Play a round with Science · 19th century