The Free On-line Dictionary of Computing (30 December 2018):

Eric S. Raymond
ESR

    One of the authors of the Hacker's Jargon File.
   Eric was involved in the JOLT project and GNU Emacs as
   well as maintaining several FAQ lists.  He is a keen
   advocate of open source.

   (http://ccil.org/~esr).

   E-mail: 

   (1998-10-20)