diff --git a/Misc/ACKS b/Misc/ACKS
index 88e55e0..84fd499 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -807,6 +807,7 @@
 Robert Lehmann
 Petri Lehtinen
 Luke Kenneth Casson Leighton
+John Leitch
 Tshepang Lekhonkhobe
 Marc-André Lemburg
 Mateusz Lenik