Eric S. Raymond

Eric S. Raymond
Raymond at Linucon in 2004
Born (1957-12-04) December 4, 1957
Alma materUniversity of Pennsylvania
Occupation(s)Software developer, author
Website

Eric Steven Raymond (born December 4, 1957), often referred to as ESR, is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral and the Bazaar. He wrote a guidebook for the Roguelike game NetHack. In the 1990s, he edited and updated the Jargon File, published as The New Hacker's Dictionary.