John Warnock, who helped invent the PDF and co-founded Adobe Systems, dies at age 82 – Metro US
SALT LAKE CITY (AP) — John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died. He was 82. The Silicon Valley entrepreneur and computer scientist died Saturday surrounded by family, Adobe said in a statement. The company didn’t give a cause of death or say where Warnock died. “John’s brilliance and innovations […]