John Warnock, who helped invent the PDF and co-founded Adobe Systems, dies at 82
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 after a nearly two-year battle with pancreatic cancer, the company said. “John’s brilliance and innovations left an indelible mark on Adobe, the … Read more
