Achim Lingott,
Alexander Neumann,
Gerald Zickert,
Richard Seidl, Manfred Baumgartner, Harry M. Sneed,
Peter Hruschka,
Luigi Lo Iacono, Stephan Wiefling, Michael Schneider,
Dirk W. Hoffmann,
Stefan Kania, Andreas Ollenburg,
Ulrich Schmidt, Johannes Schmidt,
Jürgen Ebert, Christian Hauptmann,
Ralf Adams,
Horst-W. Grollius,