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Charles Matthew "Chuck" Geschke (September 11, 1939 – April 16, 2021) was an American businessman and computer scientist best known for founding the graphics and publishing software company Adobe Inc. with John Warnock in 1982, with whom he also co-created the PDF document format.
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.
Aug 20, 2023 · A cause of death has not been released; he is survived by his wife, graphic designer Marva Warnock, and his three children. Warnock founded the revolutionary software company Adobe with his...
Apr 20, 2021 · In addition to his wife, of Los Altos, survivors include three children, Peter Geschke of Fremont, Calif., Kathy Orciuoli of Atherton, Calif., and John Geschke of Los Altos; and seven grandchildren.
Aug 21, 2023 · Warnock worked for Xerox before he and colleague Charles Geschke created a company around a rejected idea in 1982.
Aug 22, 2023 · Mr. Warnock and Charles Geschke founded Adobe in 1982, naming it after a creek near their homes in Los Altos, Calif. PostScript, the company’s first piece of software, let computer users print ...
Aug 21, 2023 · “John’s brilliance and innovations left an indelible mark on Adobe, the technology industry and the world,” Adobe said. Warnock worked for Xerox before he and colleague Charles Geschke ...
