email address of Rex Doescher

[luger@xxxxxxxxxxxxxxxxxxxxxx (Dr. Peter Luger)]

Does anybody know the recent email address of Rex Doescher?
I tried                                 Rex Doescher
>                                       NHB E-206
>                                       Smithsonian Institution
>                                       Washington, DC  20560
>                                       e-mail:  mnhpb002@sivm.si.edu
and did not succeed.
Probably it is not valid any more? 

Thank you

Peter
Dr. Peter Luger
Universitaet Bremen
FB 5 - Geosciences
Postfach 330440
D - 28334 Bremen
Tel.: 0421 - 2184506
Fax.: 0421 - 2184515