Kwolek

American

[kwoh-lek, kwaw-lek] / ˈkwoʊ lɛk, ˈkwɔ lɛk /

noun

Stephanie Louise 1923–2014, American chemist.

Kwolek Scientific

/ kwŏl′ĕk′ /

American chemist who pioneered the use of polymers to make synthetic fibers. She developed the first liquid crystal polymer fiber, now used to make many products, including bulletproof vests.

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Kwolek

Stephanie Louise Kwolek worked as a research chemist at DuPont.

From The Wall Street Journal ● Apr. 9, 2026

Beyond Kevlar, Susan Kwolek was instrumental in the development of Nomex, a fireproof material, and was also involved in the creation of Lycra.

From Textbooks ● Feb. 14, 2019

Stephanie Kwolek, inventor of Kevlar: Poly-paraphenylene terephthalamide: Thanks to Steph, we’ve got this stuff to keep our guts inside.

From Washington Post ● Jan. 29, 2015

Stephanie Kwolek invented Kevlar, saved an untold number of lives, and is gone.

From New York Times ● Dec. 30, 2014

Stephanie Kwolek was a chemist at the DuPont company in Wilmington, Delaware, when she invented the stronger-than-steel fibre in 1965.

From BBC ● Jun. 21, 2014

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023