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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 21, 2023 · 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 Geschke, and...
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Aug 24, 2023 · Paul Sakuma/Associated Press. By Clay Risen. Aug. 24, 2023. John Warnock, a founder of Adobe Systems whose innovations in computer graphics, including the ubiquitous PDF, made possible...
By LINDSAY WHITEHURST. 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.
- lwhitehurst@ap.org
- Criminal Justice Reporter
Aug 20, 2023 · Tech / Adobe co-founder Dr. John Warnock has died — he was 82. / Dr. Warnock, who retired as CEO of Adobe 2000, co-founded the company in 1982, and his business went on to create a staggering...
Aug 22, 2023 · The Adobe Corporation has announced that cofounder John Warnock died at the age of 82 on August 19, 2023. His death will be a loss to many, most of all his closely knit family, but extending as well to many professional colleagues and, indeed, to us at the Computer History Museum. Among his many interests, Warnock was engaged with history.
Aug 21, 2023 · August 21, 2023 / 4:00 PM EDT / 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...
