Almost a century ago to the day (April 8 1906), Lytton Strachey of Trinity College, Cambridge, wrote to Maynard Keynes, the future economist, ‘We can’t be content with telling the truth — we must tell the whole truth: and the whole truth is the Devil… It’s madness for us to dream of making dowagers understand that feelings are good, when we say in the same breath that the best ones are sodomitical … our time will come a 100 years hence.’