Dionysius The Renegade

Dionysius the Renegade (Greek: Διονύσιος ὁ Μεταθέμενος; c. 330-c. 250), also known as Dionysius of Heraclea, was a Stoic philosopher and pupil of Zeno of Citium who, late in life, abandoned Stoicism when he became afflicted by terrible pain.