| I, 4-6 October, Zurich, Switzerland – ETH | 1954 | |
| January, London, U.K. – Imperial College | 1956 | |
| II, 9-13 August, ATTI | 1960 | |
| III, September, Canberra / Sydney, Australia | 1961 | |
| IV, 24 May – 1 June, Tokyo / Sapporro, Japan | 1965 | |
| V, 26-30 August, Toronto, Canada | 1968 | |
| VI, August, London, U.K. – Royal Society | 1972 | |
| VII, 26-30 June, Boulder, Colorado (USA) | 1976 | |
| VIII, 15-19 July, Clermond-Ferrand, France | 1980 | ICCP commitee 1980 |
| IX, 21-28 August, Tallinn, Estonia | 1984 | |
| X, 15-20 August, Bad Homburg, Germany | 1988 | ICCP commitee 1988 |
| XI, 17-21 August, Montreal, Canada – McGill | 1992 | ICCP commitee 1992 |
| XII, 19-23 August, Zurich, Switzerland – ETH | 1996 | ICCP commitee 1996 |
| XIII, 14-18 August, Reno, Nevada (USA) – DRI | 2000 | |
| XIV, 19-23 July, Bologna, Italy – ISAC-CNR | 2004 | ICCP commitee 2004 |
| XV, 7-11 July, Cancun, Mexico | 2008 | |
| XVI, 30 July-3 August, Leipzig, Germany | 2012 | program, all abstracts, ICCP commitee 2012 |
| XVII, 25-29 July, Manchester, UK | 2016 | link site, all abstracts, ICCP commitee 2016 |
