Anton Schleiss

Switzerland

Arturo Marcano

Venezuela

Bernhard Westrich

Germany

Celso Castro Gómez

Venezuela

Corrado Gisonni

Italy

Cristobal Mateos

Spain

Fabián A. Bombardelli

USA

Gerald Zenz

Austria

Helmut Knoblauch

Austria

Hubert Chanson

Australia

Jorge Matos

Portugal

Jun Guo

China

Jürgen Köngeter

Germany

Philip H. Burgi

USA

Robert H. A. Janssen

Australia

Stefano Pagliara

Italy

Venutelli Maurizio

Italy

Victor Elviro Garcia

Spain

Willi Hager

Switzerland

Youichi Yasuda

Japan