My addresses at work:

Dr. Tilman Becker
German Research Center for Artificial Intelligence (DFKI)
Stuhlsatzenhausweg 3
Room C0.12 (I've moved from C0.21)
D-66123 Saarbrücken, Germany

          : ++49 +681-302-5271
         : ++49 +681-302-5020
          : Tilman.Becker@dfki.de
          
         WWW: http://www.dfki.de/~becker

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

or

Hauptstr. 50
D-54597 Wallersheim, Germany
Phone: ++49 +6558-222