Pythagorean philosopher
Athamas (, 5th century BCE) of Posidonia was a Pythagorean philosopher, cited by the theologian and philosopher Clement of Alexandria as believing that everything in the universe was composed of four elements: earth, wind, fire, and water.
He is briefly mentioned by the Neoplatonist philosopher Iamblichus, in a list of Pythagoreans, but there are no further mentions of him, and nothing further is known about him.
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