Contents |
| Abbreviations | xi |
| List of illustrations | xii |
| Two Contemporary Judgements on Nicholas Copernicus | I |
PART ONE THE SPIRITUAL LANDSCAPE |
I Spotlight: Prague, 1592
The publication of Zemah David, David Gans's first work, a few weeks after the meeting of Rudolph II of Habsburg and the Maharal in the Hradschin palace.
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2 Searchlight on the end of a century
The centenary of the discovery of the New World; St. Bartholomew's night; the introduction of the Gregorian calendar. Henry of Navarre, an example of tolerance. An example of intolerance: the martyrdom of Giordano Bruno.
Padua, 1592
Galileo's first lecture; his praise of Tycho Brahe, who settled in Prague in 1599 and had Johannes Kepler and David Gans among his assistants. David Gans's plan for Nehmad ve-Na'im.
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3 A modest but enthusiastic worker
The ingratitude of contemporaries and historians towards David Gans.
A life in three stages. Westphalia, the Rhine, and the Main. The first vital encounter with science: the discovery of Euclid. A humanistic yeshiva: Cracow.
A dazzling city: Prague, myth and reality. Prague: David Gans's account of the origins and of the beauty of Prague; Exile and Redemption.
The unexpected epilogue: 'I have scanned the heavens in Tycho Brahe's observatory.'
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4 David Gans and the internal problematics of Judaism at the end of the sixteenth century
The conflict of reason and mysticism. The awkward appropriation of reason by mysticism: Maimonides metamorphosed into a kabbalist.
David Gans between his two teachers: above the fray. Some miniatures:
the entries in David Gans's chronicle on the Rema and the Maharal.
The Rema and the Maharal: a contradictory pair. The Rema, apostle of conciliation. The Maharal, apostle of confrontation. The Rema's philosophical outlook.
The third man: Azariah de' Rossi. Azariah versus the Rema. The Maharal versus Azariah.
A bystander: Eliezer Ashkenazi.
A phantom: Mordecai Jaffe. The spiritual affinity of Jaffe and the Maharal. The originality of Jaffe: astronomy receives its title of nobility.
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5 David Gans's works
A general view
Zemah David
Extracts from Zemah David: confrontations in the University of Prague; the invention of printing; Martin Luther; the martyrdom of Servetus; the visit of the Emperor Maximilian II to the Prague ghetto; the new star which appeared in 1572; the St. Bartholomew's Night massacre; the almanack of Görlitz; the execution of Mary, Queen of Scots; the introduction of the Gregorian calendar; the assassination of the Duc de Guise; the coming of Henry IV.
Nehmad ve-Na'im. A classic work. A non conformist work. A modern work. Gans against astrology. An existential work.
Pointers towards a critical edition. The editor of the book of 1743: Rabbi Joel Sachs. Assessment of the situation.
The Hamburg Manuscript: Staats und Universitätsbibliothek, Hamburg, Cod. Hebr. 273.
Magen David: Bodleian Library, Oxford. Jiebraica Opp. 4 417. A hostage to fortune. The 'imprimatur' of Rabbi Luntschitz. The enthusiastic approval of Tosafot Yom Tov. David Gans receives the blessing of the Maharal's son-in-law. The rationalization of the symbol of the Star of David.
The Brno Manuscript: State Archives, Brno, MS 515.
The Geneva Manuscript: National and University Library, Jerusalem, Microfilm 10408.
The Jerusalem Manuscript: National and University Library, Jerusalem, MS HEB 8o 2747. |
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PART TWO DAVID GANS, COSMOGRAPHER |
I The reality and the myth of the New, World in the
Sixteenth century: the Exodus towards Infinity
A fluid and complex mutation. Reason is right in being wrong. The nostalgia for the Lost Paradise. The yearning for Atlantis. The Exodus towards Infinity.
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2 The reality of the New World in the Jewish consciousness: scholars and Marranos
David Gans's sources. The conception of the earth as round: the Zohar. Inventions: the Alphonsine Tables, the quadrant, Jacob's Staff. Christopher Columbus and the Marranos. The ambivalence of the summer of 1492: the departure of Columbus and the expulsion of the Jews from Spain. The ambivalence of Isaac Abravanel: history and eschatology.
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3 The myth of the New World in the Jewish consciousness: the Ten Tribes lost and rediscovered
The myth of the Lost Ten Tribes before the sixteenth century. The image of the New World before David Gans: Abraham Farissol, Joseph HaKohen, Gedaliah Ibn Yahya. The appearance of the Lost Ten Tribes in America at the beginning of the sixteenth century. 1648: the myth becomes historical reality. The interlude of myth in Abraham Farissol: its part in the historical episode of David Reuweni and Solomon Molcho (1524-33).
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4 The myth of the Lost Ten Tribes towards the end of the sixteenth century: Azariah de' Rossi, the Maharal, David Gans
Azariah de' Rossi: an interesting but academic problem. The Maharal: a fundamental eschatological problem. The ambivalence of the New World. David Gans: a problem without a solution.
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5 David Gans's map of the world
David Gans's resemblance to Sebastian Munster. David Gans's tentative efforts in Zemah David. David Gans's mastery in Nehmad ve-Na'im, the first correct and complete Jewish description of the New World. The influence of Mercator and Ortelius.
An important related problem: is Jerusalem the centre of the world? Is Erez Israel the foremost among all countries? The parallel between David Gans and Heinrich Buenting: the rationalism of Gans. |
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PART THREE DAVID GANS, ASTRONOMER |
I The Genesis of the Infinite: the sixteenth-century astronomical revolution
The new attitude of Homo Astronomicus. The sense at the vertiginous. A fearful revolutionary: Copernicus. A 'grand seigneur': Tycho Brahe. A Tychonides
who exceeded himself: Kepler.
Their reactions to the revolution. Laughter: Martin Luther. The authority of the Holy Scriptures: Melanchthon and the Holy Office. The authority of reason:
the Cartesian rearguard action. From the terror of Pascal to the wonder of
David Gans.
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| 2 Praeparatio astronomica: David Gans on the threshold
of the revolution 188
The epilogue of Nehmad ve-Na'im. David Gans, historian of astronomy. The
history of Jewish astronomy. The history of non-Jewish astronomy. The first
mention of Copernicus in a Hebrew work. The Jewish influence on non-Jewish
astronomy. David Gans freedom of thought. Gans defence of astronomy. The
methodological parenthesis in Nehmad ve-Na'im: the problem is not that of the
authority of the Bible but that of the authority of the Talmud. David Gans
between the rationalism of Maimonides and the meta-astronomy of the Maharal.
David Gans and the Rema's conciliatory option.
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| 3 The turning-point: David Gans meets Tycho Brahe and Kepler
Tycho Brahe tells Gans: the Jews were right. Contrary to Jewish tradition. The attempt to save the honour of the Jewish tradition: the appeal to Abravanel's authority. The general context of Tycho's and Kepler's statements to Gans. Ptolemy was right... and yet...
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| 4 The dialogues and the Colloquy of Prague: David Gans at the heart of the astronomical revolution 229
The problem of the ninth sphere. The phenomenon of precession: Johannes Muller's story.
The Colloquy of Prague. The problem of the prime meridian. The fatal error. Jules Verne on the horizon. The Jewish aspect of the problem: the absolute Sabbath. |
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| 5 Meeting at the summit: Tycho Brahe and the Maharal of Prague
The conclusion of Nehmad ve-Na'im: the system of Tycho Brahe. The astronomical system of the Maharal. The irrational obsessions of the Maharal and Kepler. David Gans's system: impression of the spiritual encounter of the Maharal and Tycho Brahe.
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243 |
| Appendix: Copernicus in Hebrew literature from the end of the sixteenth to the end of the eighteenth centuries |
251 |
| Bibliography |
261 |
| Index |
277 |