Metaphilosophers

Pierre Hadot (; French: [ado]; 21 February 1922 – 24 April 2010) was a French philosopher and historian of philosophy specializing in ancient philosophy, particularly Epicureanism and Stoicism.

Charles Bernard Renouvier (French: [ʁənuvje]; 1 January 1815 – 1 September 1903) was a French philosopher. He considered himself a "Swedenborg of history" who sought to update the philosophy of Kantian liberalism and individualism for the socio-economic realities of the late nineteenth century, and influenced the sociological method of Émile Durkheim.