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John Warnock, who helped invent PDF and co-founded Adobe Systems, dies at 82

John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died. He was 82.

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John Warnock, who helped invent the PDF and co-founded Adobe, dies aged 82

Other programmes, such as Adobe Illustrator and Photoshop, followed before Mr Warnock stepped down as CEO in 2000.

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John Warnock, who helped invent the PDF and co-founded Adobe Systems, dies at age 82 | News, Sports, Jobs

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 […]

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John Warnock, who helped invent the PDF and co-founded Adobe, dies at age 82

John Warnock, who helped invent the PDF and co-founded Adobe, dies at age 82
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John Warnock, who helped invent the PDF, dies at 82

Adobe Systems co-founder said he was a "mediocre" student until a high school teacher got him to love math.

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