A lively examination of the heretics who helped Christianity become the world’s most powerful religion. From Arius, a fourth-century Libyan cleric who doubted

-Published to accompany the exhibition Visions of Paradise, The National Gallery, London, 4 November 2015--14 February 2016---Colophon.

In this study of the rabbinic heretics who believed in Two Powers in Heaven, Alan Segal explores some relationships between rabbinic Judaism, Merkabah mysticism