Russell Bertrand Arthur William


 (rŭs′əl), 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.