Royal Society (London) (1660-)(8)
Bakker, Cornelis (1904-1960)(7)
Gensuibaku-Kinshi-Nihon-Kyōgikai (1955-)(7)
University of Rochester (1850-)(7)
Fujioka, Yoshio (1903-1976)(6)
Københavns Universitet. Institut for Teoretisk Fysik (1921-1974)(6)
Encyclopaedia Britannica, Inc.(5)
Princeton University. Department of Physics(5)
Wheeler, John Archibald (1911-2008)(5)
Foster, John Stuart (1890-1964)(4)