Another contributor.
diff --git a/Misc/ACKS b/Misc/ACKS
index f09e77c..c2c5303 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -412,6 +412,7 @@
 Christian Tismer
 R Lindsay Todd
 Bennett Todd
+Richard Townsend
 Laurence Tratt
 John Tromp
 Jason Trowbridge