As one of the few pioneering female chemists in the 1960s, Stephanie
Kwolek invented the flexible, tougher than steel fibers that were used
to create life-saving body armor for law enforcement and soldiers.

Good Morning America - Kevlar Inventor Stephanie Kwolek Dead at 90 (ABC News)
Kwolek died this week at the age of 90, her co-workers at DuPont, the
chemical company where Kwolek worked, confirmed to ABC News.
"She leaves a wonderful legacy of thousands of lives saved and
countless injuries prevented by products made possible by her
discovery," DuPont CEO Ellen Kullman said in a statement.