Which Happened First?

Helen Murray Free

Helen Murray Free
Image: National Science and Technology Medals Foundation, Ryan K. Morris · CC BY-SA 3.0 · source

Helen Murray Free was an American chemist and educator. She is most known for her work on in vitro self-testing systems for diabetes and other diseases.

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

Who was born first?

Timeline

  1. Helen Murray Free (this page)February 20, 1923 – May 1, 2021
  2. Jack KilbyNovember 8, 1923 – June 20, 2005
  3. Stephanie L. KwolekJuly 31, 1923 – June 18, 2014
  4. Uziel GalDecember 15, 1923 – September 7, 2002
  5. Humberto Fernández MoránFebruary 18, 1924 – March 17, 1999
  6. Yvonne BrillDecember 30, 1924 – March 27, 2013

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Helen Murray Free (February 20, 1923 – May 1, 2021) · Which Happened First?