He lived for some time at the court of Seleucus I Nicator, where he acquired great reputation by discovering the disease of Antiochus I Soter, the king's eldest son, probably 294 BC.
Very little more is known of the personal history of Erasistratus: he lived for some time at Alexandria, which was at that time beginning to be a celebrated medical school, and gave up practice in his old age, that he might pursue his anatomical studies without interruption [REF].