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Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). Her career at the DuPont company spanned more than 40 years.
Stephanie Kwolek, American chemist of Polish origin, who in 1965 created the first of a family of synthetic fibers of exceptional strength and stiffness. The best-known member is Kevlar , a material used in protective vests as well as in boats, airplanes, ropes, cables, and much more—in total about 200 applications.
Stephanie Kwolek, inventor of Kevlar Ignacy Łukasiewicz built world's first oil refinery. Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, Polish mathematician–cryptologists, broke German Enigma-machine ciphers before and during World War II. Sharing their techniques with the British, they enabled British reading of Enigma messages.
As of the start of 1923, the Gregorian calendar was 13 days ahead of the Julian calendar, ... Stephanie Kwolek, American chemist noted for inventing Kevlar (d.
This is a timeline of the development of plastics, comprising key discoveries and developments in the production of ... Kevlar developed at DuPont by Stephanie Kwolek:
June 18 is the 169th day of the year ... in the Gregorian calendar; 196 days remain until the end of the year ... 2014 – Stephanie Kwolek, American chemist ...
July 31 is the 212th day of the year ... in the Gregorian calendar; 153 days remain until the end of the year. Events. Pre-1600 30 BC ... Stephanie Kwolek, ...
Stephanie Kwolek (1923–2014), synthetic fibres; Angela Kornas (born 1977), bra inserts; L Hedy Lamarr, Inventor, 1939. Hedy Lamarr (1914–2000), radio guidance systems; Esther Lederberg (1922–2006), microbial genetics; Cricket Lee (born 1953), clothing fitting; Tara Lemmey (fl 2010s), information technology; Jennifer A. Lewis (born 1964 ...