Deutsche Atom-Kommission. Arbeitskreis Kernphysik (1956-)(4)
European Council for Nuclear Research (1952-1954)(3)
Europäische Atomgemeinschaft (1957-)(2)
International Union of Pure and Applied Physics (1922-)(2)
Alexander von Humboldt-Stiftung (1860-1923)(1)
Bat-Sheva Seminar (1968 : Ḥêfā) (1968-)(1)
Feynman, Richard P. (1918-1988)(1)
Heitler, Walter (1904-1981)(1)
Hellēnikē Anthrōpistikē Hetaireia(1)
Institut für Plasmaphysik (Garching b. München) (1960-1971)(1)
Institut für Theoretische Kernphysik (Karlsruhe)(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 Cosmic Rays (5. : 1957 : Varenna) (1957-)(1)
International Conference on Elementary Particles (1967 : Heidelberg) (1967-)(1)
International Conference on Gravitation and the Theory of Relativity(1)
International Conference on Theoretical Physics and Biology (2. : 1969 : Versailles) (1969-)(1)
International Conference on the Unity of the Sciences (4. : 1975 : New York, NY) (1975-)(1)