Nathaniel Deutsch is Professor of Literature and History at the Universityof California, Santa Cruz. He is the author of "Guardians of the Gate: Angelic Vice Regency in Late Antiquity "(1999) and "The Gnostic Imagination: Gnosticism, Mandaeism, and Merkabah Mysticism "(1995), and the coeditor with Y. Chireau, of "Black Zion: African American Religious Encounters with Judaism "(2000).