Charles Porset taught philosophy in high school until 1976, before entering the
École normale supérieure of Fontenay-aux-Roses in 1977 as an
agrégation lecturer. At that time, he participated in the founding of the Society for the History and Epistemology of Language Sciences, in collaboration with Sylvain Auroux. In charge of research at the
CNRS within the framework of the URA 96 of the CNRS in Paris IV, "dixhuitièmiste", he renews the reading of
Montesquieu,
Voltaire and
Rousseau His field of study included close contact with the school of , a specialist in the linguistics and anthropology of the Enlightenment at the
Martin Luther University of Halle-Wittenberg, in the German Democratic Republic, where he spent a research period in 1978. == Freemason ==