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Stephanie Louise Kwolek (/ ˈkwoʊlɛk /; 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. [1][2] For her discovery, Kwolek was awarded the DuPont company's Lavoisier Medal for outstanding technical ...
Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, [3][2][4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Kwolek. Kwolek is a Polish surname. Notable people with the surname include: Bartosz Kwolek (born 1997), Polish volleyball player. Stephanie Kwolek (1923–2014), American chemist. Charles Peter Kwolek III (born 1990), Polish DIII ATHLETE AKA KING RACKS. Categories: Surnames. Polish-language surnames.
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Anna Connelly was an American woman who lived from the mid-19th century to the mid-20th century in Pennsylvania. She was the inventor of the predecessor of the modern outdoor fire escape; her invention saved lives, causing it to become a safety component in modern buildings. In addition, she was one of the first women in the US to submit a ...
Also, Kwolek received individual award for the Best Outside Hitter. On July 2, 2017 Poland U21 , including Kwolek, achieved title of U21 World Champion 2017 after beating Cuba in the final (3–0). [ 5 ] [ 6 ] Kwolek was awarded an individual award for the Best outside spiker of the whole tournament. [ 7 ]
Most Americans have a positive outlook on jobs in the criminal justice realm as a whole, but less were satisfied with the roles Vice President Harris has previously held, a new survey found. The ...
Children. Norma and Albert Jr. Marie Van Brittan Brown (October 30, 1922 – February 2, 1999) was an American nurse, her husband Albert L. Brown, an electronics technician. In 1966 they invented an audio-visual home security system [1][2] That same year they applied for a patent for their security system. It was granted three years later in 1969.