Born in Britain and was professor of philosophy at Heytrhop. Began writing history books of philosophy students and pedagogical attempt was born that his monumental History of Philosophy. Today it is considered his magnum opus and the best introduction to Western philosophy ever made. This work was directed by Manuel Sexton and translated by himself and other prestigious Spanish philosophers. Of great interest is also his debate with Bertrand Russell on God's existence, originally radiated at the BBC. Among the rest of his work can emphasize Nietzsche, Schopenhauer and Thomas Aquinas.