British philosophy as "The Wealth of Nations", is considered his "magnum opus" and the first modern work of economics. Smith is widely cited as the father of modern economics. Smith studied moral philosophy at the University of Glasgow and the University of Oxford. After graduating, he delivered a successful series of public lectures at Edinburgh, leading him to collaborate with David Hume during the Scottish Enlightenment. Smith obtained a professorship at Glasgow teaching moral philosophy, and during this time he wrote and published "The Theory of Moral Sentiments". Jeremy Bentham (1748–1832) is well known for beginning the tradition of classical utilitarianism in
Meaning of life back as far as Epicurus, but, as a school of thought, it is credited to Jeremy Bentham, who found that "nature has placed mankind under the governance of two sovereign masters, pain and pleasure", then, from that moral insight, deriving the "Rule of Utility": "that the good is whatever brings the greatest happiness to the greatest number of people". He defined the meaning of life as the "greatest happiness principle". Jeremy Bentham's foremost proponent was James Mill, a significant philosopher in his day, and father of John Stuart Mill. The younger Mill was educated per Bentham's principles, including transcribing and