Which Happened First?

George Van Biesbroeck

George Van Biesbroeck
Image: Smithsonian Institution from United States · No restrictions · source

George A. Van Biesbroeck was a Belgian–American astronomer. He worked at observatories in Belgium, Germany and the United States. He specialized in the observation of double stars, asteroids and comets. He is notable for his long career as an observational astronomer.

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

Who was born first?

Timeline

  1. Alfred J. LotkaMarch 2, 1880 – December 5, 1949
  2. Frigyes RieszJanuary 22, 1880 – February 28, 1956
  3. George Van Biesbroeck (this page)January 21, 1880 – February 23, 1974
  4. Milan Rastislav ŠtefánikJuly 21, 1880 – May 4, 1919
  5. Philibert Jacques MelotteJanuary 29, 1880 – March 30, 1961
  6. Sergei BernsteinFebruary 22, 1880 – October 26, 1968

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George Van Biesbroeck (January 21, 1880 – February 23, 1974) · Which Happened First?