Jean Paul Sartre is France's most famous existentialist philosopher. This man lived in the late 1900s, but I just don't know what made this guy so damn sad. Anyway, that's my idea of existentialism, you know. In one of the portraits on the walls of the National Library of France, Jean Paul Sartre can be seen holding and about to puff on a fat cigar. But the new laws France has on smoking pushed the National Library's officials to take the cigar out of the portrait. They did so by airbrushing it out of view.