Robert W. Gore, whose invention of what created the breathable-yet-waterproof fabric known as Gore-Tex revolutionized outdoor wear and helped spawn uses in numerous other fields, has died. He was 83. Gore, who was president of W. L. Gore & Associates for almost 25 years and company chairman for 30 years, died on Thursday at a family home in Maryland following a prolonged illness, company spokesperson Amy Calhoun confirmed Saturday. Gore discovered a new form of a polymer in 1969 at a company lab in Newark, Delaware. His father, who began the company, asked Bob Gore to research a new way...