“Every philosophical problem, when it is subjected to the necessary analysis and justification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical.”

Welsh mathematician and philosopher

Bertrand Russell was a Welsh mathematician and philosopher, and a founder of analytic philosophy. He became one of the leading philosophers of the 20th century, known for work in logic, set theory, and the philosophy of language. He also helped bring philosophy to a wider public through his books and commentary. Outside academic philosophy, he was widely known for his outspoken atheism, pacifism, and opposition to nuclear weapons, and he often wrote on social and political questions.