Rabbi Chaim Vital (1542-1620) was the principal disciple of the great Kabbalist, Rabbi Isaac Luria (the Arizal). Three days after the death of his master, Rabbi Vital received a vision in a dream that consumed his scholarly life for decades: preserving the mystical heritage of the great Safed tradition. Part of the Jewish Biography as History series, more available at www.henryabramson.com.