Against Physicists. Against EthicistsSextus Empiricus (ca. 160210 CE), exponent of scepticism and critic of the Dogmatists, was a Greek physician and philosopher, pupil and successor of the medical sceptic Herodotus (not the historian) of Tarsus. He probably lived for years in Rome and possibly also in Alexandria and Athens. His three surviving works are 'Outlines of Pyrrhonism' (three books on the practical and ethical scepticism of Pyrrho of Elis, ca. 360275 BCE, as developed later,