Stephanie Kwolek was a chemist with DuPont in the 1960s when she discovered the solution and process that became Kevlar. (Photo: DuPont)

Outdoors Lovers Owe Inventor of Kevlar a Big Thank You

Chances are pretty good that you’ve never heard of Stephanie Kwolek and if you have an inkling of what she discovered — Poly-paraphenylene terephthalamide — then you’re pretty doggone smart. Kwolek, who died last week at age 90, was a research chemist who discovered the solution used to create strong, tough aramid fibers that had...