diff --git a/THANKS b/THANKS
index cc50cfe34..253144326 100644
--- a/THANKS
+++ b/THANKS
@@ -94,6 +94,7 @@ Eli Zaretskii                       eliz@is.elta.co.il
 Emile LeBlanc                       leblanc@math.toronto.edu
 Eric Backus                         ericb@lsid.hp.com
 Eric G. Miller                      egm2@jps.net
+Eric S. Raymond                     esr@snark.thyrsus.com
 Erik Bennett                        bennett@cvo.oneworld.com
 Erik Corry                          erik@kroete2.freinet.de
 Felix Lee                           flee@teleport.com