Which Happened First?

Katherine Johnson

Katherine Johnson
Image: NASA · Public domain · source

Creola Katherine Johnson was an American mathematician and human computer whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights.

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

Who was born first?

Timeline

  1. Derek BartonSeptember 8, 1918 – March 16, 1998
  2. Edwin G. KrebsJune 6, 1918 – December 21, 2009
  3. Frederick SangerAugust 13, 1918 – November 19, 2013
  4. Jerome KarleJune 18, 1918 – June 6, 2013
  5. Katherine Johnson (this page)August 26, 1918 – February 24, 2020
  6. Paul D. BoyerJuly 31, 1918 – June 2, 2018

Related

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