Jeremy Bentham (15 February 1748–6 June 1832) was an English jurist, philosopher, and legal and social reformer. He was a political radical, and a leading theorist in Anglo-American philosophy of law. He is best known for his advocacy of utilitarianism, for the concept of animal rights, and his opposition to the idea of natural rights, with his oft-quoted statement that the idea of such rights is "nonsense upon stilts." He also influenced the development of welfarism.

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Influenced by: John Locke, David Hume, Baron de Montesquieu, Claude Adrien Helvétius, Thomas Hobbes

John Locke (August 29, 1632 – October 28, 1704) was an English philosopher. Locke is considered the first of the British Empiricists, but is equally important to social contract theory. His ideas had enormous influence on the development of epistemology and political philosophy, and he is widely regarded as one of the most influential Enlightenment thinkers and contributors to liberal theory. His writings influenced Voltaire and Rousseau, many Scottish Enlightenment thinkers, as well as the American revolutionaries. This influence is reflected in the American Declaration of Independence.