En memòria de
Betsy Ancker-Johnson
29 d’abril del 1927 — 2 de juliol del 2020
San Luis · Austin
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Betsy Ancker-Johnson was an American plasma physicist. She was known for her research into instabilities that can occur in plasmas in solids, and for her invention of a gigacycle range signal generator using semiconductor materials in magnetic and electric fields. She was the first woman Presidential appointee in the U.S. Department of Commerce. She is the fourth woman elected to the National Academy of Engineering.
— Source: Wikipedia (CC-BY-SA).
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