Bat-Sheva Seminar (1968 : Ḥêfā) (1968-)(1)
CERN (1954-) (1)
International Conference Science and Society (4. : 1971 : Herceg-Novi)(1)
International Conference on Cosmic Rays (12. : 1971 : Hobart, Tasmania) (1971-)(1)
International Conference on Elementary Particles (1967 : Heidelberg) (1967-)(1)
Internationaler Leibniz-Kongress (2. : 1972 : Hannover) (1972-)(1)
Kolloquium über ß-Zerfall und schwache Wechselwirkungen (1965 : Heidelberg)(1)