Fernando Pérez of SF bug 579701 fame.
diff --git a/Misc/ACKS b/Misc/ACKS
index ce55fda..4ecc56f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -357,6 +357,7 @@
 Samuele Pedroni
 Steven Pemberton
 Eduardo Pérez
+Fernando Pérez
 Tim Peters
 Chris Petrilli
 Geoff Philbrick