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

John Warnock, Utahn who helped invent the PDF and co-founded Adobe Systems, dies at age 82
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John Warnock, Adobe CEO who led desktop publishing revolution, dies at 82

John Warnock, who played a seminal role in the history of computing as co-founder and chief executive of Adobe Inc., helping create the Portable Document Format (PDF) and software that turned computers into digital printing presses, radically reshaping office life and publishing, died Aug. 19 at 82.

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