Great Article - Amazes me that Cambridge had so many geniuses at that time: Wittgenstein, Turing, Keynes - kind of like Athens with Socrates, Plato, Aristotle and London buses, but with a 2.5 thousand year wait.<p>His Tractates Logico-Philosophicus, made a massive impression on me, many years ago, the only non fiction writing a can think of that brougt me to tears.