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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.
Adobe co-founder and University of Utah alumni John Warnock died on Saturday at age 82, Adobe confirmed in a statement Sunday.
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Adobe: Warnock created the San Jose-based company in 1982 with Charles Geschke and served as chief executive officer until 2000 and as chief technical officer until his retirement in 2001. He was also chairman of the board for nearly three decades until 2017, sharing that position with Geschke for most of that time. Warnock remained on the company's board of directors until his death. Geschke died in 2021 at the age of 81.