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[German Version] (1643, Jerusalem, Israel – Jan 11, 1680, Skopje, Macedonia), the first prophet and main theologian of Shabbetaianism. After a meeting with Shabbetai Tzevi in Gaza in 1665, Nathan, a young scholar of I. Luria’s Kabbalah, declared that he had a revelation which identified Shabbetai Tzevi as the messiah, a claim that the latter had been making for years without any positive response. However, actual Shabbetaianism was only brought to life with Nathan’s prophecy, and Nathan became its…

[German Version] (orig. Gerhard; Dec 5, 1897, Berlin – Feb 20, 1982, Jerusalem), the most important scholar in Jewish studies in the 20th century and the founder of the scholarly study of the Kabbalah. He was born to an assimilated Jewish family. In his youth he devoted himself to Zionism, associated with M. Buber and began to learn Hebrew, taking lessons in Talmud. One of his early friends was W. Benjamin; their friendship lasted till Benjamin’s death in 1940. Scholem decided to write his Ph.D. on the Book of Sefer ha- Bahir, which he identified as the earliest work of the Kabbalah …

[German Version] (“divine contraction”), is one of the most profound and influential terms in Lurianic Kabbalah (II; I. Luria). It denotes the first step leading from the infinity of the eternal Godhead ( En Sof) to the emanation of the divine powers and the earthly world. According to Luria, the zimzum is a negative process: it signifies the contraction of the infinite divine into itself, to create an empty space ( tehiru) into which the divine light can flow and shape the Sefirot. In the original Lurianic myth this was a cathartic process in which potentially evil elements …

[German Version] 1. Isaac ben Judah (1437, Lisbon – 1508, Venice) was an important Jewish leader, diplomat, exegete and philosopher in the period before and after the expulsion of the Jews from Spain (1492). Abrabanel was from a prominent family who were reputed to stem from the house of David. He was a financial advisor to King Alfonso V of Portugal, although he was forced …

[German Version] (c. 1065–1136) was the first Jewish rationalistic philosopher and scholar to write in Hebrew. His many trips to Northern Spain and the Provence, where Jews were no longer familiar with Arabic, prompted him to write his treatises in Hebrew. His main philosophical works are Hegyon ha-Nefesh (“The Meditation of the Soul”) dealing with creation of the world, the nature of the soul, and repentance, and Megillat ha-Megalle (“The Scroll of the Discoverer”) dealing with creation and cosmology with a strong …

[German Version] The term zaddiq (קידְּצַ/ ṣaddîq; “Righteous”) is in most cases a vague, general title associating with religious devotion and leadership. It indicates social involvement and ethical perfection beyond the strict demands of the Halakhah and prominent position in the religious community. The verse in Pro 10:25 gave this term a cosmic meaning: the zaddiq is the foundation of the universe ( axis mundi). The legends of the 36 zaddiqim who are the justification of the world’s existence developed from this concept. In the Kabbalah, the term was used to indicate the ni…

[German Version] (c. 1225–1295) was one of the most productive and popular rationalist philosophers of 13th-century Spanish Judaism (Spain: II, 1). He wrote most of his works in Hebrew and was also active as a translator from Arabic. His most important ¶ works include Sefer ha-Mevaqqesh (ET: cf. Falaquera's Book of the Seeker, 1976), a description in rhyming prose of the search for spiritual truth among the various competing schools and factions; Sefer ha-Nefesh (ET: cf. Torah and Sophia, 1835), one of the earliest treatises on the human soul in Hebrew; Iggeret ha-Vikuach (ET: cf. Falaque…

[German Version] (ben David; acronym Rabad I; c. 1110, Córdoba – 1180, Toledo), historian, philosopher, and scholar. Ibn Daud was one of the leading personalities of the Jewish community in 12th-century Spain. He acquired an extensive knowledge of philosophy, medicine, and astronomy in his native town of Córdoba, and was also familiar with the Qurʾān and the New Testament. His main historical work, Sefer ha-Kabbalah (ET: The Book of Tradition, 1967), was on the one hand a polemical tractate against the Karaites, who rejected rabbinic tradition; Ibn Daud according…

[German Version] a literary genre, which became frequent in Hebrew ethical literature in the Middle Ages and modern times, deriving its roots from midrashic literature (Midrash) and which may have been influenced by comparable literary devices in Christian medieval literature. An early medieval example of the use of exempla was the anthology Midrash Aseret ha-Dibrot (“Expounding the Ten Commandments”), which originated probably in Babylonia in the 7th and 8th centuries. This work contains examples of …

[German Version] (1771, Medshibosh, Ukraine – 1811, Uman, Ukraine). Rabbi Nahman ben Simhah was one of the most influential leaders of the Hasidic movement (Hasidism). Although he was the great-grandson of Baʾal Shem Tov, the founder of Hasidism, only a small group of adherents gathered around him. On his pilgrimage to the Land of Israel (1798) he was able to escape Napoleon's siege of Akko aboard a Turkish warship. When he returned to Europe he preached a new doctrine according to ¶ which there is only one true Zaddik, who is the redeemer of all the people of Israel. He did …

[German Version] (c. 855, Egypt – c. 955, Kairouan, Tunisia) earned his living as court physician in Kairouan. He is known as one of the founders of Jewish religious philosophy in the Middle Ages and was in contact with Saadia Gaon, the most influential philosopher of that age. His philosophical works, written in Arabic, had meaningful influence. They were also widely distributed in Europe (also among non-Jews) in their Hebrew and Latin translations. His Sefer ha-Gevulim ( Book of Definitions, trans. into Lat. by Gerard of Cremona) introduced the neo-Platonic concept of th…

[German Version] author of Hovot ha-Levavot (“The Duties of the Heart”), the most popular and influential work of Jewish ethics from the Middle Ages. It was originally written in Arabic and remains to this day a classic of Jewish spirituality. Very little is known about the author. He probably lived in Saragossa and was, besides this work, also the author of several Hebrew religious poems ( piyyutim), of which two were appended to his book. Rabbi Judah ibn Tibbon translated the book into Hebrew around 116…

[German Version] (“The Light of the Exiled”; c. 960, Metz – c.1028, Mainz), was the leading rabbinic authority in Germany and northern France at the beginning of the 11th century and the author of numerous talmudic commentaries (Talmud), halakhic decisions (Halakhah), and religious poetry. His name is connected with several takanot, i.e. rabbinic instructions, which are not derived directly from scriptures or tradition, as for example the prohibition of polygamy, though it is not explicitly prohibited in biblical and talmudic sources. Other takanot include the prohibition of …

[German Version] (“the Book of Brilliance”), also known as the Midrash of Rabbi Nechunia ben ha-Kanah (after the 2nd-cent. sage to whom the first paragraph in the book is attributed). It is the first work of the Kabbalah, and was written anonymously around 1185, probably in the Provence or in northern Spain. It contains around 200 paragraphs, which are attribu…

[German Version] (communion) is the Hebrew term for adherence to or communion with God, which was used by Jewish kabbalists (Kabbalah), pietists, and teachers of the modern Hasidic movement (Hasidism) to indicate the maximal proximity to God that can be obtained by a mystic. Often used as an equivalent to the ¶ Latin unio mystica . The term is used for the relation between the divine powers (the sefirot), but mainly for the process of ascension of the human soul. The subject of…

[German Version] (ha-Choseh, “The Seer”) (1745–1815, Lublin) is regarded as the father of Hasidism in Poland and Galicia and is one of the leading representatives of the third Hasidic generation. The epithet “The Seer” was given to him as he was believed to have miraculous visionary powers. His most important teachers were Rabbi Dov Baer of Mezhirech, the spiritual heir of Baʾal Shem Tov, and Rabbi Elimelech of Lizhensk, from whom he distanced himself after a number of years of wandering, when he …

[German Version] (c. 1170–1230). Rabbi Moses Taku (the name probably relates to a town; it may be Dachau, or Tachau in Bohemia), was a prominent Tosafist (Tosafot) who wrote commentaries on some talmudic tractates and legal responsa and is frequently quoted in halakhic literature up to the 15th century. He may have served as a rabbi in Regensburg. ¶ In manuscript Paris H711 there is a copy of a part of Taku’s polemical work, Ketav Tamim ( A Book of Wholesomeness; publ. R. Kircheim, 3 vols., 1860, 54–99). The work is dedicated to an uncompromising attack on the rationalistic…

[German Version] (born c. 1200), a rationalist philosopher from the school of Maimonides, translator, exegete and homilist. He belonged (by marriage) to the family of Ibn Tibbon, the famous school of translators of philosophical works from Arabic to Hebrew in the 12th/13th century. He spent many years as one of the international scholars who congregated in Naples in the court of Frederick I. In his collection of sermons, Malemad ha-Talmidim (“teacher/encourager of students”), he quotes the emperor twice and …

[German Version] (Gersonides; acronym RaLBaG; 1288, Bagnols, Provence – 1344, Perpignan) is one of the most prominent rationalistic philosophers, scientists, and biblical exegetes of medieval Judaism. Born to a famous Provençal family, he lived most of his life in Orange and Avignon. He was known in Europe as Messer Leon de Bagnols or Magister Leo Hebreo de Bonnolis. Several of his treatises were translated into Latin and had an impact on European science, especially astronomy and philosophy. Levi…

[German Version] is the most potent, operative term in Lurianic Kabbalah (I. Luria), which expresses the messianic endeavor of believers in the kabbalistic worldview from the 17th century to this day. Its source is in the talmudic term tiqqun ha-ʿolam, deeds that assist in keeping the world functioning correctly. In the Lurianic myth, it represents the third, last phase in the cosmic-historical myth of Luria: the first is the zimzum; the second is the Shevirat ha-kalem (breaking of the vessels), the catastrophe in which the divine plan broke down; and then the tikkun should occur, corr…