Which Happened First?

Henry Norris Russell

Henry Norris Russell
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Henry Norris Russell ForMemRS HFRSE FRAS was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). In 1923, working with Frederick Saunders, he developed Russell–Saunders coupling, which is also known as LS coupling.

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

Who was born first?

Timeline

  1. Charles Glover BarklaJune 7, 1877 – October 23, 1944
  2. Emil AbderhaldenMarch 9, 1877 – August 5, 1950
  3. Francis William AstonSeptember 1, 1877 – November 20, 1945
  4. Frederick SoddySeptember 2, 1877 – September 22, 1956
  5. G.H. HardyFebruary 7, 1877 – December 1, 1947
  6. Henry Norris Russell (this page)October 25, 1877 – February 18, 1957

Related

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Henry Norris Russell (October 25, 1877 – February 18, 1957) · Which Happened First?