Denis Diderot (French: [dəni did(ə)ʁo]; 5 October 1713 – 31 July 1784) was a French philosopher, art critic, and writer, best known for serving as co-founder, chief editor, and contributor to the Encyclopédie along with Jean le Rond d’Alembert. He was a prominent figure during the Enlightenment.
Diderot began his education by obtaining a Master of Arts degree in philosophy at a Jesuit college in 1732. He considered working in the church clergy before briefly studying law. When he decided to become a writer in 1734, his father disowned him for not entering one of the learned professions. He lived a bohemian existence for the next decade. He befriended philosopher Jean-Jacques Rousseau in 1742.