diff --git a/Misc/ACKS b/Misc/ACKS
index 7ea63cc..92e4f40 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -377,6 +377,7 @@
 Kip Lehman
 Joerg Lehmann
 Marc-Andre Lemburg
+Mark Levinson
 William Lewis
 Robert van Liere
 Martin Ligr