Klaas van Ditzhuyzen

There are verbal reports that he passed away approximate on 2015.

DATAD Telecom Products - Veenendaal, Holland

Corona Borealis Public Observatory - Dieren, Holland

Software

 * DDIR for OS/2 and DOS
 * PMDEBUG
 * SEE Editor
 * SkyChart
 * ViewGIF

Companies

 * C Freak Software Inc.