Which Happened First?

Ellen Swallow Richards

Ellen Swallow Richards
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Ellen Henrietta Swallow Richards was an American industrial and safety engineer, environmental chemist, and university faculty member in the United States during the 19th century.

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

Who was born first?

Timeline

  1. Agnes Mary ClerkeFebruary 10, 1842 – January 20, 1907
  2. Camille FlammarionFebruary 26, 1842 – June 3, 1925
  3. Édouard LucasApril 4, 1842 – October 3, 1891
  4. Ellen Swallow Richards (this page)December 3, 1842 – March 30, 1911
  5. Jean Gaston DarbouxAugust 14, 1842 – February 23, 1917
  6. Joseph Valentin BoussinesqMarch 13, 1842 – February 19, 1929

Related

Play a round with Science · 19th century
Ellen Swallow Richards (December 3, 1842 – March 30, 1911) · Which Happened First?