Which Happened First?

John M. Grunsfeld

John M. Grunsfeld
Image: NASA · Public domain · source

John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist.

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

Who was born first?

Timeline

  1. Gennady PadalkaJune 21, 1958 – present
  2. John M. Grunsfeld (this page)October 10, 1958 – present
  3. Michael López-AlegríaMay 30, 1958 – present
  4. Nancy J. Currie-GreggDecember 29, 1958 – present
  5. Sergei KrikalevAugust 27, 1958 – present
  6. Thomas ReiterMay 23, 1958 – present

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