Eric S. Raymond

Eric Steven Raymond, 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.

4 December 1957

Born on the same birth date (4 December 1957): Lee Smith (baseball) • Raul Boesel

Born on the same birth day (4 December): Bernard VII, Lord of Lippe • Betty Lennox • Daniel Eberlin • Dave Taylor (ice hockey) • Ely Jacques Kahn Jr. • Glynis Nunn • Herbert Read • Jane Lubchenco • Jay-Z • Michel Pignolet de Montéclair • Raul Boesel • Scott Hastings (rugby union) • Tyra Banks

Born in the same month (December 1957): Donny Osmond • Maxim Korobov • Michael Clarke Duncan • Mike McAlary • Steve Taylor