John Locke was an English Enlightenment philosopher who is widely considered to be one of the most influential thinkers of modern times. He was a prominent figure in the development of liberal political philosophy, notably his work Two Treatises of Government, which laid the foundations for the American Declaration of Independence and the United States Constitution. Locke also made important contributions to epistemology, metaphysics, and the philosophy of religion.' John Locke was an English Enlightenment philosopher who is widely considered to be one of the most influential thinkers of modern times. He was a prominent figure in the development of liberal political philosophy, notably his work Two Treatises of Government, which laid the foundations for the American Declaration of Independence and the United States Constitution. Locke also made important contributions to epistemology, metaphysics, and the philosophy of religion. His ideas about natural rights, government, and religious toleration had a profound impact on the development of modern democracies.