Review: Ray Monk on newly published private diaries of Ludwig Wittgenstein

Ludwig Wittgenstein, who died in 1951 at the age of sixty-two, is widely considered to be one of the greatest philosophers of the twentieth century. He was born into an enormously wealthy family in Vienna and trained as an engineer before he switched to philosophy, working with Bertrand Russell in Cambridge on the nature of logic. In 1922, the only book…