Stephanie Kwolek

American chemist who invented Kevlar (1923–2014)

Stephanie Louise Kwolek (July 31, 1923 – June 18, 2014) was a Polish-American chemist known for inventing Kevlar (poly-paraphenylene terephthalamide). Her career at the DuPont company spanned more than 40 years. For her discovery, Kwolek was awarded the DuPont company's Lavoisier Medal for outstanding technical achievement.

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