Anaxarchus

Anaxarchus (; Greek: Ἀνάξαρχος; c. 380 – c. 320 BC) was a Greek philosopher of the school of Democritus. Together with Pyrrho, he accompanied Alexander the Great into Asia. The reports of his philosophical views suggest that he was a forerunner of the Greek skeptics.

Source: Wikipedia — https://en.wikipedia.org/wiki/Anaxarchus