diff --git a/Misc/ACKS b/Misc/ACKS
index 1897e30..157bbb9 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -100,6 +100,7 @@
 Greg Couch
 Steve Cousins
 Alex Coventry
+Matthew Dixon Cowles
 Drew Csillag
 Tom Culliton
 John Cugini