Fraser, Ronald G. J. (1899-1985)(7)
Royal Society (London) (1660-)(7)
Bakker, Cornelis (1904-1960)(6)
Gensuibaku-Kinshi-Nihon-Kyōgikai (1955-)(6)
Encyclopaedia Britannica, Inc.(5)
Foster, John Stuart (1890-1964)(4)
Internationale Atomenergie-Organisation (1957-)(4)
Københavns Universitet. Institut for Teoretisk Fysik (1921-1974)(4)
Cantore, Enrico (1926-2014)(3)
Chesapeake and Ohio Railway Company (Cleveland, Ohio) (1869-1972)(3)