Stephanie Kwolek, American chemist who invented Kevlar, dies at 90
ByREUTERS
21 June 2014 06:26



WASHINGTON - Stephanie Kwolek, an American chemist who in 1965 invented a super-strong fiber called Kevlar that revolutionized body armor and protected innumerable police officers and soldiers from bullets, has died at age 90.



Kwolek, who worked for the DuPont chemical company for four decades starting in 1946, died in Delaware after a short illness. The company confirmed her death.

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