A wise man
. He was interested in everything
His intellectual curiosity knew no limits: he studied mathematics, physics and human science in Cambridge, and is remembered and respected for his work as a mathematician, thinker and philosopher.
One of his main traits was his critic activity, that put him in jail in two occasions. Russell was against the nuclear arms race and the use of violence to solve politic conflicts, and he presided an international tribunal that judged Vietnam's crime wars (known as the Russell Tribunal).
His philosophical writings are clear and always lucid and his short essays, ingenious and full of irony and intellectual rigor. For me, it has been a master.
Some of my favourite Bertrand Russell books (that make very good node titles):