Which Happened First?

Gregory C. Johnson

Gregory C. Johnson
Image: NASA · Public domain · source

Gregory Carl Johnson, is a retired American naval officer and naval aviator, test pilot, aerospace engineer, and NASA astronaut. He spent his military career in both the regular United States Navy and the Navy Reserve.

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

Who was born first?

Timeline

  1. Dafydd WilliamsMay 16, 1954 – present
  2. Gregory C. Johnson (this page)July 30, 1954 – present
  3. Ilan RamonJune 20, 1954 – February 1, 2003
  4. Jeffrey AshbyJune 16, 1954 – present
  5. Kevin P. ChiltonNovember 3, 1954 – present
  6. Takao DoiSeptember 18, 1954 – present

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Gregory C. Johnson (July 30, 1954 – present) · Which Happened First?