I have retired since September 2010
During my activity at the Regional Computing Centre of the University of Cologne I had been first assistent and later chief of the department standard applications. My main working areas had been:
You may also have a look onto the milestones of my activity at the RRZK and my Curriculum Vitae.
Since my retirement I attend again more to statistics and publish at this address introductory and advanced texts to statistical methods including applications with R and SPSS (-> Statistics).
Sport (Tennis, Hockey, Skiing, Sailing, Golf),
Games (Bridge, Doppelkopf, Schach,...)
Painting and Drawing: own Paintings,
Travelling (especially France)