Thomas Hill Green was that rare combination, a high-powered philosopher and political theorist who also contributed effectively to practical politics. His friend, the Cambridge philosopher, Henry Sidgwick, said that while he could hold his own with Green in metaphysics and epistemology, when it came to politics, ‘I always felt the chances were that before long…

Maynard Keynes was an active Liberal as well as one of the most important liberal writers of the twentieth century. He revolutionised economics, creating the case for deficit spending to stimulate employment which became the basis of government economic policy throughout the Western world for almost four decades. He helped to found the international economic…

John Stuart Mill, philosopher, economist, journalist, political writer, social reformer, and, briefly, Liberal MP, is one of the most famous figures in the pantheon of Liberal theorists, and the greatest of the Victorian Liberal thinkers. Yet his relevance is not restricted to the nineteenth century; as L. T. Hobhouse wrote in 1911, in his single…