Two Powers in Heaven Early Rabbinic Reports About Christianity and Gnosticism

Segal reconstructs the development of the "two powers in heaven" heresy through prudent dating of the stages of the rabbinic traditions. Segal stresses the importance of perceiving the relevance of rabbinic material for solving traditional problems of New Testament and gnostic scholarship, and at the same time maintains the necessity of reading those literatures for dating rabbinic material.