He lets that sink in, then tells me a story he came across in Ray Monk's recent biography of Wittgenstein.

Ray Monk, a philosopher and biographer, described Ellmann's Oscar Wilde as a "rich, fascinating biography that succeeds in understanding another person".

Ray Monk also deputised on rare occasions.

- Ray Monk, Bertrand Russell, The Ghost of Madness, p. 332.

Ray Monk is a British philosopher.

Ray Monk's "Ludwig Wittgenstein" is the first substantial biography of his whole life.

Ray Monk's book has succeeded remarkably in portraying some of its wonders.

It is the aim of Ray Monk's perspicacious new biography to put Wittgenstein's philosophy in context with his life.

Ray Monk, Ludwig Wittgenstein, the Duty of Genius, Jonathan Cape, 1990.

Ray Monk, Bertrand Russell.