There is one VAX Clusters (VMS 5.5) consisting of two servers and 13 DECstations of different types. Roswitha Braun is in charge of managing the VAX Cluster.
There is a bunch of UNIX machines, too: one IBM RS/6000 running AIX, managed by Horst Lührsen and eleven DEC Alphas running OSF/1. The Alphas are managed by Roswitha Braun and Ursula Stoyan.
If you have questions about the UNIX environment and can't reach Mrs. Braun and Mrs. Stoyan, you also can ask Hans Schuster and Horst Lührsen.
The IMMD VI World-Wide-Web-Server is maintained by Horst Lührsen.