diff --git a/Misc/ACKS b/Misc/ACKS
index 84fd499..1a00ae3 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1385,6 +1385,7 @@
 July Tikhonov
 Tracy Tims
 Oren Tirosh
+Tim Tisdall
 Jason Tishler
 Christian Tismer
 Jim Tittsler