diff --git a/reactos/dll/win32/kernel32/debug/debugger.c b/reactos/dll/win32/kernel32/debug/debugger.c
index c4d8c48f57c..b827b7b3e97 100644
--- a/reactos/dll/win32/kernel32/debug/debugger.c
+++ b/reactos/dll/win32/kernel32/debug/debugger.c
@@ -4,7 +4,8 @@
  * PROJECT:         ReactOS system libraries
  * FILE:            lib/kernel32/debug/debugger.c
  * PURPOSE:         Win32 Debugger API
- * PROGRAMMER:      ???
+ * PROGRAMMER:      Thomas Weidenmueller
+ *                  KJK::Hyperion
  */
 
 /* INCLUDES ******************************************************************/
diff --git a/reactos/dll/win32/kernel32/file/curdir.c b/reactos/dll/win32/kernel32/file/curdir.c
index c9dd0b332b6..59a6d03c318 100644
--- a/reactos/dll/win32/kernel32/file/curdir.c
+++ b/reactos/dll/win32/kernel32/file/curdir.c
@@ -4,6 +4,11 @@
  * PROJECT:         ReactOS system libraries
  * FILE:            lib/kernel32/file/curdir.c
  * PURPOSE:         Current directory functions
+ * PROGRAMMER:      Eric Kohl
+ *                  Filip Navara
+ *                  Steven Edwards
+ *                  Thomas Weidenmueller
+ *                  Gunnar Andre' Dalsnes
  * UPDATE HISTORY:
  *                  Created 30/09/98
  */
diff --git a/reactos/dll/win32/kernel32/synch/critical.c b/reactos/dll/win32/kernel32/synch/critical.c
index 03147c098b3..4e9d1e5e063 100644
--- a/reactos/dll/win32/kernel32/synch/critical.c
+++ b/reactos/dll/win32/kernel32/synch/critical.c
@@ -4,6 +4,8 @@
  * PROJECT:         ReactOS system libraries
  * FILE:            lib/kernel32/sync/critical.c
  * PURPOSE:         Critical sections
+ * PROGRAMMER:      Filip Navara
+ *                  Eric Kohl
  * UPDATE HISTORY:
  *                  Created 30/09/98
  */