Please use http://bugs.trinitydesktop.org to report bugs. 
The following authors may have retired by the time you read this :-)

KWM Configuration Module:

  Pat Dowler (dowler@pt1B1106.FSH.UVic.CA)

  Bernd Wuebben <wuebben@kde.org>
  
Conversion to kcontrol applet:

  Matthias Hoelzer (hoelzer@physik.uni-wuerzburg.de)