- 1965 and 1966 and was President of the Finance Committee from 1958 to 1960 1
- Netherlands (1965) 1
- Univ. Groningen 1
- he is Director of ZWO (Organization for the Advancement of Pure Research) and also Vice-President of the National Commission for UNESCO 1
- in the Netherlands 1
- CERN: President of the Council at CERN for the years 1964 1
- Physical Laboratory 1
1909 - 1995, CERN: President of the Council at CERN for the years 1964; 1965 and 1966 and was President of the Finance Committee from 1958 to 1960; in the Netherlands; he is Director of ZWO (Organization for the Advancement of Pure Research) and also Vice-President of the National Commission for UNESCO
keine Angaben zu Lebensdaten, Physical Laboratory; Univ. Groningen; Netherlands (1965)