P.-J. (Pierre-Joseph) Proudhon

Born in Besançon, France, in 1809, Pierre-Joseph Proudhon grew up in modest circumstances and worked as a printer before becoming known as a journalist, economist, and political writer. He is widely remembered as one of the first people to call himself an anarchist and as the founder of mutualism, a current of thought centered on reciprocity, voluntary association, and opposition to domination.

Proudhon became famous with What Is Property? (1840), the book that introduced his striking challenge to accepted ideas about ownership. Across his later works, he wrote about property, government, federalism, credit, labor, and social reform, often arguing that freedom and justice depended on building institutions that limited concentrated power.

His ideas were controversial in his own lifetime and remain debated today, but his influence has been lasting. Readers still turn to him for a vivid picture of 19th-century radical politics and for arguments that helped shape later anarchist and libertarian socialist traditions.