Award Stuart Ballantine Medal

Knight Bachelor (2000)

Sri Lankabhimanya (2005)

Order of the British Empire (Commander, 1989)

Royal Astronomical Society (Fellow, 1950)

National Academy of Engineering (1986)

Marconi Prize (1982)

Kalinga Prize for the Popularization of Science (1961)

SFWA Grand Master (1985)

SF Hall Of Fame (1997)

Guggenheim Fellowship (1957)

Oliver Buckley Prize (1958)

Morris N. Liebmann Memorial Award (1959)

National Medal of Science (1974)

Lorentz Medal (1978)

Frederic Ives Medal (1979)

Nobel Prize (Physics ∙ 1981)