Stephanie Kwolek

31 July 1923 – 18 June 2014

Stephanie Kwolek was an American chemist who invented Kevlar, a high-strength synthetic fiber used in bulletproof vests and many other applications. She spent her entire career at DuPont, where her discovery of liquid crystalline polymer solutions led to a family of aramid fibers.

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Life events

Born in New Kensington, Pennsylvania
31 July 1923

Stephanie Kwolek was born to Polish immigrant parents.

Source: en.wikipedia.org
Birth ✓
Graduated from Carnegie Mellon University
1946

She earned a bachelor's degree in chemistry from the Margaret Morrison Carnegie College.

Source: en.wikipedia.org
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Joined DuPont
1946

She began working as a chemist at DuPont, intending it as a temporary job to fund medical school.

Source: en.wikipedia.org
Career ✓
Invented Kevlar
1965

She discovered a liquid crystalline polymer solution that spun into an exceptionally strong and stiff aramid fiber.

Source: en.wikipedia.org
Achievement ✓
Retired from DuPont
1986

She retired after a research career of nearly four decades.

Source: en.wikipedia.org
Career ✓
Inducted into National Inventors Hall of Fame
1994

She was recognized for her invention of Kevlar aramid fiber.

Source: en.wikipedia.org
Achievement ✓
Awarded the National Medal of Technology
1996

She received the National Medal of Technology for her contributions to materials science.

Source: en.wikipedia.org
Achievement ✓
Died in Wilmington, Delaware
18 June 2014

Stephanie Kwolek died at the age of 90.

Source: en.wikipedia.org
Death ✓