John Warnock
American computer scientist, inventor and technology businessman (1940-2023) · United States · On the map · Scientists · Died at 82
John Edward Warnock 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 Warnock is read about 140 times a day, in 28 languages.
A typical day, 30 days to 6 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 104 days, one point a day.
Something wrong?A life in dates
Media & music
Awards
About this person
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.