Collectible Cards

Stephanie Kwolek

Organic Chemist and Mateirals Inventor
Born: 7-31-1923, New Kengsington, Pennsylvania

Stephanie Kwolek invented poly-paraphenylene terephtalamide, a polymer material that is 5 times stronger than steel on an equal weight basis. The materials, marketed under the Kevlar® brand, have many applications ranging from bicycle tires and racing sails to vests used by police and military personnel.