Pyrrho
Pyrrho (Greek: Πύρρων, gen.: Πύρρωνος; ca. 360 BC – ca. 270 BC), a Greek philosopher of classical antiquity, is credited as being the first Skeptic philosopher and the inspiration for the school known as Pyrrhonism, founded by Aenesidemus in the 1st century BC.
Read more about Pyrrho.