Royal Society (London) (1660-)(15)
Allen, John Frank (1908-2001)(5)
University of Edinburgh. Department of Mathematical Physics(5)
Center for the Study of Democratic Institutions (Santa Barbara, Calif.)(4)
Heisenberg, Werner (1901-1976)(3)
Polvani, Giovanni (1892-1970)(3)
Princeton University (1896-)(3)