The German-born Gerhard (Gershom) Scholem (1897-1982), the preeminent scholar of Jewish mysticism, delved into the historical analysis of kabbalistic literature from late antiquity to the twentieth century. His writings traverse Jewish historiography, Zionism, the phenomenology of mystical religion, and the spiritual and political condition of contemporary Judaism and Jewish civilization. During his lifetime, he published over forty volumes and close to seven hundred articles and trained at least three generations of scholars of Jewish thought, many of whom still teach in Israel, Europe, and...