The woman who invented Kevlar - the bullet-proof material used in body armour - has died at the age of 90 [By Author: Telegraph Staff] [Category: stephanie kwolek, dupont, died, 90, kevlar inventor] [Link to media] http://telegraph.feedsportal.com/c/32726/f/568397/s/3bba1246/sc/32/l/0L0Stelegraph0O0Cnews0Cworldnews0Cnorthamerica0Cusa0C10A91640A30CKevlar0Einventor0EStephanie0EKwolek0Edies0Eaged0E90A0Bhtml/story01.htm
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