1 files changed, 1 insertions, 0 deletions
diff --git a/THANKS.in b/THANKS.in
index 23b089754..48f6c04c7 100644
--- a/THANKS.in
+++ b/THANKS.in
@@ -421,6 +421,7 @@ Matthew Arnison                     maffew@cat.org.au
 Matthew Braun                       matthew@ans.net
 Matthew Clarke                      Matthew_Clarke@mindlink.bc.ca
 Matthew M. Boedicker                matthewm@boedicker.org
+Matthew Pfeiffer                    spferical@gmail.com
 Matthew S. Levine                   mslevine@theory.lcs.mit.edu
 Matthew Smith                       matts@bluesguitar.org
 Matthew Swift                       swift@alum.mit.edu