It is without doubt the most important nineteenth-century British thinker. Born in 1806 and died in 1873 in an extraordinarily educated carefully by his father, James Mill reformer, after three years began to study Greek, seven had read several dialogues of Plato, at fifteen he was a prodigy of knowledge twenty ... and experienced a great depression. The discovery of the world of feelings, through the poetry of Wordsworth and love for Harriet Taylor, changed his life and led him to overcome the ideas of Bentham and his father, to see his intellectual and political work as an attempt to synthesize the best of legacy illustrated with the philosophy of romanticism. This project produced and classics like On Liberty, Considerations on Representative Government, Utilitarianism, Principles of Economics, The Subjection of Women, Chapters on Socialism, and the Three Essays on Religion.