Resolves issues 5155, 5313, 5331 - bad file descriptor error with processes in processes
diff --git a/Misc/ACKS b/Misc/ACKS
index 5cc07e5..9159b6f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -46,6 +46,7 @@
 Ulf Bartelt
 Nick Bastin
 Jeff Bauer
+Mike Bayer
 Michael R Bax
 Anthony Baxter
 Samuel L. Bayer
@@ -183,6 +184,7 @@
 Dean Draayer
 John DuBois
 Paul Dubois
+Graham Dumpleton
 Quinn Dunkan
 Robin Dunn
 Luke Dunstan
@@ -553,6 +555,7 @@
 Santiago Peresón
 Mark Perrego
 Trevor Perrin
+Gabriel de Perthuis
 Tim Peters
 Benjamin Peterson
 Chris Petrilli