John Warnock

John Warnock
John Warnock
	Warnock in 2008
Born	John Edward Warnock; October 6, 1940; Salt Lake City, Utah, U.S.
Died	August 19, 2023 (aged 82); Los Altos, California, U.S.
Alma mater	University of Utah (BS, MS, PhD)
Known for	Adobe Systems; PostScript; Portable Document Format (PDF);
Awards	Software Systems Award (1989, Association for Computing Machinery); Edwin H. Land Medal (2000, Optical Society of America); Bodley Medal (2003, Bodleian Library at Oxford University); Lovelace Medal (2004, British Computer Society); Medal of Achievement (2006, AeA); Computer Entrepreneur Award (2008, IEEE Computer Society); United States National Medal of Technology and Innovation (2009); Marconi Prize (2010);
	Scientific career
Fields	Computer science
Institutions	University of Utah
Doctoral advisor	David C. Evans; Ivan Sutherland;

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. Warnock was President of Adobe for his first two years and chairman and CEO for his remaining sixteen years at the company. Although he retired as CEO in 2001, he continued to co-chair the Adobe Board of Directors with Geschke until 2017. Warnock pioneered the development of graphics, publishing, web and electronic document technologies that have revolutionized the field of publishing and visual communications.

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