Search results
Results From The WOW.Com Content Network
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.
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.
Stephanie Kwolek, the inventor of Kevlar, graduated from Margaret Morrison Carnegie College in 1946 with a B.S. in General Science (Chemistry). [3] Newbery Medal winning-author E. L. Konigsburg is a 1952 graduate of Margaret Morrison Carnegie College. [7]
The National Medal of Technology was created in 1980 by the United States Congress under the Stevenson-Wydler Technology Innovation Act. It was a bipartisan effort to foster technological innovation and the technological competitiveness of the United States in the international arena. The first National Medals of Technology were issued in 1985 ...
Stephanie Kwolek: American chemist of Polish origin, invented a polymer out of which kevlar is produced. [36] Jerzy Kukuczka: alpinist, the second man in history to climb all fourteen Eight-thousanders including three as first ascents, established a new route on K2 in alpine style called the "Polish line".
Invented in 1952 by Virginia Apgar. Disposable diapers. The first disposable diaper was invented in 1946 by Marion Donovan, a professional-turned-housewife who wanted to ensure her children's cloth diapers remained dry while they slept. [12] Donovan patented her design (called 'Boaters') in 1951.
The Hall of Fame of Delaware Women was established in 1981 by the Delaware Commission for Women, a division of the Secretary of State of Delaware. The hall of fame recognizes the achievements and contributions of Delaware women in a variety of fields and includes activists, artists, athletes, military personnel and scientists. [1]