Jean Jacques Rousseau
Jean Jacques Rousseau (1712-1778) was a Swiss philosopher and writer who spent much of his working life in France and wrote about the subjects of political philosophy, music, education, and literature. Some of his most famous works include "The Social Contract" and "Emile, or On Education." The work of Rousseau was essential to the spread of the Enlightenment throughout Europe and were influential in the French Revolution in which he was a prominent member of the Jacobin Club. In psychology, Rousseau is known for his theories on human social development and moral psychology.