Final answer:
Denis Diderot was a French philosopher and writer who co-founded the Encyclopédie during the Enlightenment period.
Step-by-step explanation:
Denis Diderot was a French philosopher, writer, and encyclopedist who lived during the 18th century. He is best known for being the co-founder and chief editor of the Encyclopédie, one of the most important works of the Enlightenment period. The Encyclopédie was a comprehensive encyclopedia that aimed to gather and disseminate knowledge across a wide range of fields. Diderot's contributions to the Encyclopédie reflected his belief in intellectual freedom, human rights, and the importance of reason.
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