diff --git a/Doc/ACKS b/Doc/ACKS
index cf04d38..8eb67c1 100644
--- a/Doc/ACKS
+++ b/Doc/ACKS
@@ -59,6 +59,7 @@
 Ben Gertzfield
 Nadim Ghaznavi
 Jonathan Giddy
+Nathaniel Gray
 Grant Griffin
 Anders Hammarquist
 Mark Hammond
@@ -169,6 +170,7 @@
 Glyn Webster
 Bob Weiner
 Eddy Welbourne
+Mats Wichmann
 Gerry Wiener
 Timothy Wild
 Blake Winton