Russell Bertrand Arthur WilliamRus·sell
, Bertrand Arthur William Third Earl Russell. 1872–1970.
British philosopher, mathematician, social critic and writer who had a profound influence on the development of symbolic logic and 20th-century analytic philosophy. His numerous written works include Principia Mathematica (1910–1913), written with Alfred North Whitehead. He won the 1950 Nobel Prize for literature.