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John Edward Warnock (October 6, 1940 – August 19, 2023) was an American computer scientist, inventor, technology businessman, and philanthropist best known for co-founding Adobe Systems Inc., the graphics and publishing software company, with Charles Geschke in 1982.
- John Edward Warnock, October 6, 1940, Salt Lake City, Utah, U.S.
- August 19, 2023 (aged 82), Los Altos, California, U.S.
Aug 24, 2023 · Aug. 24, 2023. John Warnock, a founder of Adobe Systems whose innovations in computer graphics, including the ubiquitous PDF, made possible today’s visually rich digital experiences, died on Aug....
Aug 21, 2023 · New York CNN — John Warnock, co-founder of Adobe, has died aged 82, the software company announced on Sunday. Warnock helped start the revolutionary company in 1982 with the late Charles...
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Aug 25, 2023 · John Warnock, a co-founder of Adobe who invented the PDF, has died. He was 82. Widely known for creating the pioneering technology – in full, the portable document format – that changed the way...
- Gloria Oladipo
Aug 20, 2023 · Sunday, August 20, 2023 04:02 AM. Adobe Co-Founder Dr. John Warnock Passes at 82. SAN JOSE, Calif.-- (BUSINESS WIRE)-- It is with profound sadness that Adobe shares the passing of the company’s beloved co-founder Dr. John Warnock. Dr. Warnock passed away on Saturday surrounded by his family.
Aug 23, 2023 · 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.
Aug 22, 2023 · 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...