Which Greek Stoic philosopher mentioned two of the four subgroups of the Helvetians that failed in their migration attempt to Gaul?
Posidonius Posidonius (Greek: Ποσειδώνιος, "Poseidonios", meaning "of Poseidon") "of Apameia" (ὁ Ἀπαμεύς) or "of Rhodes" (ὁ Ῥόδιος) (c. 135 BCE – c. 51 BCE), was a Greek Stoic philosopher, politician, astronomer, geographer, historian and teacher native to Apamea, Syria.
Sotiates The Sotiates were a pre-Roman tribe of the Aquitani, settled in what today is southwestern France, in the region surrounding Sos, in the French department of Lot-et-Garonne. Their capital was the city of "Sotium", present-day Sos. They are mentioned by Julius Caesar in the third book of "Commentarii de Bello Gallico", his firsthand account of the Gallic Wars, where he narrates the expedition of Publius Licinius Crassus to Aquitaine.