Bertrand Arthur William Russell, 3rd Earl Russell, Viscount Amberley, born in Wales, May 18, 1872. Educated at home and at Trinity College, Cambridge. During World War I, served four months in prison as a pacifist, where he wrote Introduction to Mathematical Philosophy. In 1910, published first volume of Principia Mathematica with Alfred Whitehead. Visited Russia and lectured on philosophy at the University of Peking in 1920. Returned to England and, with his wife, ran a progressive school for young children in Sussex from 1927-1932. Came to the United States, where he taught philosophy successively at the University of Chicago, University of California at Los Angeles, Harvard, and City College of New York. Awarded the Nobel Prize for Literature in 1950. Has been active in disarmament and anti-nuclear-testing movements while continuing to add to his large number of published books which include Philosophical Essays (1910); The ABC of Relativity (1925) Human Knowledge: Its Scope and Limits (1948); Why I Am Not a Christian (1957); and The Autobiography of Bertrand Russell (1967). For a chronological list of Russell's principal works see The Basic Writings of Bertrand Russell (Simon and Schuster).