My addresses at work:

Dr. Tilman Becker
German Research Center for Artificial Intelligence (DFKI)
Stuhlsatzenhausweg 3
Room C0.12
D-66123 Saarbrücken, Germany

          : ++49 +681-85775-5271
         : ++49 +681-85775-5341
          : Tilman.Becker@dfki.de
          
         WWW: http://www.dfki.de/~becker

Neubronnerweg 10
D-89077 Ulm, Germany
Phone: ++49 +731-1436762

and

Mainzer Str. 28
D-66111 Saarbrücken, Germany
Phone: ++49 +681-635790