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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.
1965: Kevlar is invented by Stephanie Kwolek at DuPont. 1969: The NPL network followed by the ARPANET implement packet switching for data communication, [495] [496] drawing on the concepts and designs of Donald Davies, [497] [498] [499] and Paul Baran. [500] These are considered precursors to the modern Internet. [497] [500]
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 ...
A powerful para-aramid synthetic fiber, developed by Stephanie Kwolek at DuPont in 1965 Polonium and radium The discoveries of elements radium and polonium were made by Polish chemist Marie Curie through the deep study of their nature and their compounds .
This timeline of clothing and textiles technology covers events relating to fiber and flexible woven material worn on the body. This includes the making, modification, usage, and knowledge of tools, machines, techniques, crafts, and manufacturing systems ( technology ).
Abi Bakr of Isfahan (c. 1235), Persia/Iran – mechanical geared astrolabe with lunisolar calendar George Ballas (1925–2011), U.S. – String trimmer Frederick Banting (1891–1941), Canada – Insulin
There are several types of timeline articles. Historical timelines show the significant historical events and developments for a specific topic, over the course of centuries or millennia. Graphical timelines provide a visual representation for the timespan of multiple events that have a particular duration, over the course of centuries or ...