Stephanie Kwolek: key obituary facts
Is Stephanie Kwolek dead? Yes. Stephanie Kwolek died on June 18, 2014, at age 90.
Cause of death: Stephanie Kwolek's cause of death has not been publicly confirmed.
What was Stephanie Kwolek known for?
He was known as American chemist.
American chemist
Died on Wednesday June 18th 2014