“Sartre,” by Mitch Francis by Brendan|Published April 11, 2014-at dimensions 1700 × 2339 Images navigation Previous Next Sartre French philosopher Jean-Paul Sartre (1905 - 1980) defended a form of radical personal freedom which is especially associated with his "existentialism." (Image: "Sartre," by Mitch Francis.) “Sartre,” by Mitch Francis