After the death of Epicurus , his school was headed by Hermarchus ; later many Epicurean societies flourished in the Late Hellenistic era and during the Roman era ( such as those in Antiochia , Alexandria , Rhodes , and Ercolano ) .
Many Epicurean societies flourished in the late Hellenistic perod and during the Roman era ( such as those in Antiochia , Alexandria , Rhodes and Ercolano ) .