Biography
Denis Diderot (October 5, 1713–July 31, 1784) was a French philosopher, writer, and art critic of the Enlightenment, best known as the principal editor of the Encyclopédie, one of the era’s most influential works.He was born in Langres, France, the son of a respected master cutler. His family intended him for the clergy, and he received his early education from Jesuits. He continued his studies in Paris and completed his degree in 1732. Rather than pursue a conventional profession, he chose to write. For several years, he lived modestly in Paris, supporting himself through writing and translation while broadening his knowledge. In 1743, despite his father’s objections, he married Anne-Antoinette Champion, a linen worker. Their daughter, Angélique, was their only child to survive to adulthood.
Diderot’s early writings brought him into conflict with the authorities. His Philosophical Thoughts (1746) was condemned and ordered to be burned. In 1749, his Letter on the Blind was considered dangerously materialist, and he was imprisoned at Vincennes for about three months.
In 1746, Diderot was commissioned to help translate Ephraim Chambers’s English Cyclopaedia. The project soon grew into something far more ambitious: a comprehensive French work bringing together the knowledge of the age. Working with mathematician Jean le Rond d’Alembert and many other contributors, Diderot helped shape the Encyclopédie. Its 17 volumes of text appeared between 1751 and 1765, followed by 11 volumes of illustrations, completed in 1772. The project faced repeated censorship and official bans, but Diderot continued to guide it through years of difficulty.
Alongside his work on the Encyclopédie, Diderot wrote philosophical works, essays, plays, art criticism, and fiction. His writing championed intellectual inquiry and challenged superstition, censorship, and religious intolerance. Over time, his philosophy developed toward materialism.
In 1755, Diderot met Sophie Volland, with whom he formed a close and lasting relationship. Their correspondence reveals both his philosophical reflections and the details of everyday life in Paris. Sophie died in February 1784. Diderot died in Paris on July 31 of the same year.
