# Russell, Bertrand Arthur William (1872–1970)

Bertrand Russell was a British philosopher, mathematician, and logician who rose to prominence
with his first major work, *The Principles of Mathematics* (1902),
in which he attempted to remove mathematics from the realm of abstract philosophical
notions and to give it a precise scientific framework. Russell then collaborated
for eight years with Alfred North Whitehead to produce the monumental work *Principia Mathematica* (3 volumes,
1910–13). This work showed that mathematics can be stated in terms
of the concepts of general logic, such as
class and membership in a class. It became a masterpiece of rational thought.

Bertrand Russell. "Science is what you know, philosophy is what you don't know." |

Russell and Whitehead proved that numbers can be defined as classes of a
certain type, and in the process they developed logic concepts and a logic
notation that established symbolic logic as an important specialization
within the field of philosophy. In his next major work, *The Problems
of Philosophy* (1912), Russell borrowed from the fields of sociology,
psychology, physics, and mathematics to refute the tenets of idealism,
the dominant philosophical school of the period, which held that all objects
and experiences are the product of the intellect. Russell, a realist (see realism), believed that objects perceived
by the senses have an inherent reality independent of the mind.

Russell condemned both sides in World War I, and for his uncompromising
stand he was fined, imprisoned, and deprived of his teaching post at Cambridge.
In prison he wrote *Introduction to Mathematical Philosophy* (1919).
After the war he visited the Soviet Union, and in his book *Practice and
Theory of Bolshevism* (1920) he expressed his disappointment with the
form of socialism practiced there. He felt that the methods used to achieve
a Communist system were intolerable and that the results obtained were not
worth the price paid.

Russell taught at Beijing University during 1921 and 1922, and in the United States from 1938 to 1944, though he was barred from teaching at the College of the City of New York (now City College of the City University of New York) by the state supreme court because of his attacks on religion and his advocacy of sexual freedom. Russell returned to England in 1944 and was reinstated as a fellow of Trinity College. Although he abandoned pacifism to support the Allied cause in World War II, he became an ardent opponent of nuclear weapons. Russell received the 1950 Nobel Prize in Literature and was cited as "the champion of humanity and freedom of thought." He led a movement in the late 1950s advocating unilateral nuclear disarmament by Britain, and at the age of 89 he was imprisoned after an antinuclear demonstration.

### Reference

1. Russell, Bertrand. *Bertrand Russell Autobiography*. New York:
Routledge, 1992.