Membership


Deceased Honorary members

Some of our honorary members are not anymore with us and have quit this World. We are grateful for their contributionto the society. These are: 

Isaak ABELIN +1965
Franz LEUTHARDT +1985
Manuel SANZ +1999
Hugo AEBI +1983
Ettore ROSSI +1998
Jörg FREI +2001
Herbert KELLER +2001
Robert ZENDER +2005