Which Happened First?

Clyde Tombaugh

Clyde Tombaugh
Image: Unknown authorUnknown author · Public domain · source

Clyde William Tombaugh was an American astronomer and telescope maker, best known for discovering Pluto in 1930, marking the first detection of what would eventually be recognized as the Kuiper belt.

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

Who was born first?

Timeline

  1. Albert HofmannJanuary 11, 1906 – April 29, 2008
  2. Clyde Tombaugh (this page)February 4, 1906 – January 17, 1997
  3. Grace HopperDecember 9, 1906 – January 1, 1992
  4. Hans BetheJuly 2, 1906 – March 6, 2005
  5. Nicholas Georgescu-RoegenFebruary 4, 1906 – October 30, 1994
  6. Olga Taussky-ToddAugust 30, 1906 – October 7, 1995

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Clyde Tombaugh (February 4, 1906 – January 17, 1997) · Which Happened First?