Richard Titmuss was one of the world’s leading public analysts and philosophers. He was highly influential in shaping the post-war welfare state and created the subject we now call social policy. What would he make of the present state of welfare? This lecture reflects on the man and the times which shaped his ideas. What is his legacy forty years on from his death? Which of his ideas have lasted and which have proved less durable? What gaps were there in his world view?