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Influential intellectuals

The Age of Enlightenment was preceded by and closely associated with the Scientific Revolution. Earlier philosophers whose work influenced the Enlightenment included Francis Bacon, Pierre Gassendi, René Descartes, Thomas Hobbes, Baruch Spinoza, John Locke, Pierre Bayle, and Gottfried Wilhelm Leibniz. Some of the major figures of the Enlightenment included Cesare Beccaria, George Berkeley, Denis Diderot, David Hume, Immanuel Kant, Lord Monboddo, Montesquieu, Jean-Jacques Rousseau, Adam Smith, Hugo Grotius, and Voltaire.

One particularly influential Enlightenment publication was the Encyclopédie (Encyclopedia). Published between 1751 and 1772 in 35 volumes, it was compiled by Diderot, Jean le Rond d'Alembert, and a team of 150 other intellectuals. The Encyclopédie helped in spreading the ideas of the Enlightenment across Europe and beyond. Other landmark publications of the Enlightenment included Berkeley's A Treatise Concerning the Principles of Human Knowledge (1710), Voltaire's Letters on the English (1733) and Philosophical Dictionary (1764); Hume's A Treatise of Human Nature (1740); Montesquieu's The Spirit of the Laws (1748); Rousseau's Discourse on Inequality (1754) and The Social Contract (1762); Cesare Beccaria's On Crimes and Punishments (1764); Adam Smith's The Theory of Moral Sentiments (1759) and The Wealth of Nations (1776); and Kant's Critique of Pure Reason (1781).