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  1. › wiki › John_WarnockJohn Warnock - Wikipedia

    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.
  2. 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. 19 at his home...

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  4. 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 ...

    • Gloria Oladipo
  5. 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.

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  6. 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 ...

  7. Aug 22, 2023 · John Warnock was a cofounder of Adobe and a pioneer of computer graphics and desktop publishing. He was also a mathematician who collected books and artifacts from the history of science, technology, and mathematics. Learn about his life, career, and legacy from his oral history interviews with the Computer History Museum.

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