WordNet (r) 3.0 (2006):

Bertrand Russell
    n 1: English philosopher and mathematician who collaborated with
         Whitehead (1872-1970) [syn: Russell, Bertrand Russell,
         Bertrand Arthur William Russell, Earl Russell]

The Free On-line Dictionary of Computing (30 December 2018):

Bertrand Russell
Russell, Bertrand

    (1872-1970) A British mathematician, the discoverer
   of Russell's paradox.

   (1995-03-27)