diff --git a/Misc/ACKS b/Misc/ACKS
index a6be54eb2a1..909d371279c 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -267,4 +267,5 @@ Richard Wolff
 Ka-Ping Yee
 Masazumi Yoshikawa
 Siebren van der Zee
+Uwe Zessin
 hajime@jsk.t.u-tokyo.ac.jp