| In conjunction with the Physical and Inorganic Chemistry Section of the Royal Nederlands Chemical Society |
|---|
| Professor J.H. Van der Waals (Leiden) |
| Professor H.C. Wolf (Stuttgart) |
| Professor C.B. Harris (California) |
| Dr P.W.Atkins (Oxford) |
| Dr J. Schmidt (Leiden) |
| Dr W.B.Mims (Bell Laboratories) |
| Professor J. Kommandeur |
| Professor J.S.Hyde (Wisconsin) |
| Professor C.A. Hutchinson (Chicago) |
| Professer K. Mobius (Berlin) |
| 120 participants from 13 countries |