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Charles Geschke: Wikis


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Charles M. "Chuck" Geschke (born 1939) is best known as the co-founder with John Warnock of Adobe Systems Inc., the graphics and publishing software company, in 1982.

Born in Cleveland, Ohio, on September 11, 1939, Geschke attended Saint Ignatius High School and went on to earn a BA in classics and an MS in mathematics from Xavier University, as well as a PhD in computer science from Carnegie Mellon University.

Prior to co-founding Adobe, Geschke and Warnock worked at Xerox's Palo Alto Research Center (PARC). Geschke had started there in the early 1970s. Geschke formed and headed PARC's Imaging Sciences Laboratory in 1978 or 1980. Unable to convince Xerox management of the commercial value of Warnock's InterPress graphics language for controlling printing, the two left Xerox to start Adobe. At their new company, they developed an equivalent technology, PostScript, from scratch, and brought it to market.

On the morning of May 26, 1992, Geschke was kidnapped at gunpoint from the Adobe parking lot in Mountain View, California. He was held for four days before being recovered from a house in Hollister, California by the FBI. The two kidnappers were eventually sentenced to life terms in state prison.

Geschke retired as president of Adobe in 2000, shortly before his partner Warnock left as CEO.



Charles Geschke, along with co-founder John Warnock received the AeA Annual Medal of Achievement Award in Oct. 2006. They are the first software executives to receive this award. In 1999 he was inducted as a Fellow of the Association for Computing Machinery. In 2009, he also won the National Medal of Technology.


Geschke serves on the board of the National Leadership Roundtable on Church Management.


  • Anonymous, "Silicon Valley Kidnapper Sentenced to Life," San Francisco Chronicle, Mar. 10, 1994, at A21.
  • Anonymous, "F.B.I. Rescues a Kidnapped Businessman," New York Times, June 1, 1992, at B7.

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