Honorary members

Wolfgang Nentwig
Switzerland

Torbjörn Kronestedt
Sweden

Peter van Helsdingen
The Netherlands

Christa Deeleman
The Netherlands
Late honorary members

Otto Kraus
Germany († 2017)

Joachim Haupt
Germany († 2013)

Jan Buchar
Czech Republic († 2015)

Maria Rambla
Spain († 2016)

Anna Ostrihanska Kajak
Poland († 2002)

Jean Kekenbosch
Belgium († 2009)

Jadwiga Łuczak
Poland († 2007)

Hans Peters
Germany († 1996)

Eric Duffey
France († 2019)