The Enlightenment is a name given by historians to an
intellectual movement that was predominant in the Western world during the 18th century. Strongly influenced by the rise of modern science and by the aftermath of the long religious conflict that followed
the Reformation, the thinkers of the Enlightenment (called philosophers in France) were committed to secular views based on reason or human
understanding only, which they hoped would provide a basis for beneficial changes affecting every area of life and thought.
The more extreme and radical philosophers--Denis Diderot, Claude Adrien Helvetius, Baron d'Holbach, the Marquis de Condorcet, and Julien Offroy de La Mettrie (1709-51)--advocated a philosophical rationalism deriving its methods from science and natural philosophy that would replace religion as the means of knowing nature and destiny of humanity; these men were materialists, pantheists, or atheists.
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