Which Happened First?

Pelageya Shajn

Pelageya Fedorovna Shajn, née Sannikova, was a Russian astronomer in the Soviet Union, and the first woman credited with the discovery of a minor planet, at the Simeiz Observatory in 1928. Pelageya also discovered numerous variable stars and co-discovered the periodic, Jupiter-family comet 61P/Shajn–Schaldach.

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

Who was born first?

Timeline

  1. Alexander OparinMarch 2, 1894 – April 21, 1980
  2. Georges LemaîtreJuly 17, 1894 – June 20, 1966
  3. Hans KramersDecember 17, 1894 – April 24, 1952
  4. Norbert WienerNovember 26, 1894 – March 18, 1964
  5. Oskar KleinSeptember 15, 1894 – February 5, 1977
  6. Pelageya Shajn (this page)April 19, 1894 – August 27, 1956

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