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, Adobe said in a statement.
SALT LAKE CITY — John Warnock, who helped invent the PDF and co-founded Adobe Systems, has died. He was 82.
Warnock worked for Xerox before he and colleague Charles Geschke created a company around a rejected idea in 1982. Nearly a decade later, Warnock outlined an early version of the Portable Document Format, or PDF, transforming the way documents are exchanged. Warnock was the son of a prominent local attorney but was an average student until a teacher at Olympus High School took an interest in him, he told the University of Utah’s alumni magazine, Continuum, in 2013.
In 1964, he solved the Jacobson radical, an abstract algebra problem that had been a mystery since it was posed eight years before. The following year he met his wife, Marva Mullins, and married her five weeks later. They founded Adobe in 1982 and created PostScript, a program that helped make small-scale printing feasible for the first time. The company later created the PDF, which let people create electronic versions of documents that could be preserved and sent it to other users, who could search and review them.
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