Number

Location

Year

Chairman

1^st

Berlin

1971

Thomas A. Jaeger

2^nd

Berlin

1973

Thomas A. Jaeger

3^rd

London

1975

Haword Gott

4^th

San Francisco

1977

Bruno A. Boley

5^th

Berlin

1979

Thomas A. Jaeger

6^th

Paris

1981

Jean Rastoin

7^th

Chicago

1983

Stanley H. Fistedis

8^th

Brussels

1985

Sergio Finzi

9^th

Lausane

1987

Folker H. Wittmann

10^th

Anaheim

1989

Asadour H. Hadjian

11^th

Tokyo

1991

Heki Shibata

12^th

Stuttgart

1993

Karl F. Kussmaul

13^th

Porto Alegre

1995

Jorge D. Riera

14^th

Lyon

1997

Michel Livolant

15^th

Seoul

1999

Sung Pil Chang