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Eric S. Raymond

American computer programmer, author, and advocate for the open source movement

Eric S. Raymond (often called ESR; born 4 December 1957) is an American writer and computer programmer. He became famous when he picked up maintenance of The Jargon File.

Eric S. Raymond
Eric S Raymond portrait.jpg
Raymond at Linucon 2004
Born (1957-12-04) December 4, 1957 (age 61)
Other namesESR
Alma materUniversity of Pennsylvania[1]
OccupationSoftware developer, author


  1. Raymond, Eric S. (2003-01-29). "Resume of Eric Steven Raymond". Retrieved 2009-11-23.