Valentin Naboth

Valentin Naboth (also spelled Valentine Naibod or Nabod) (13 February 1523[notes 1] – 3 March 1593), known by the latinized name Valentinus Nabodus, was a Germany mathematician, astronomer and astrologer.

Symbolum
Valentini Naibodae
Sceptrum Jovis Fulmineum
Cum Inscriptione:
NEC PROCUL A JOVE[2]

## Contents

* 1 Life and academic career
* 2 Work
* 3 Final years
* 4 Selected works
* 5 Notes
* 6 References
* 7 Further reading
* 8 External links

## Life and academic career

Valentin Naboth was born in Calau (Niederlausitz)[notes 2] to an originally Jewish family. He was the younger brother of the Lutheran theologian and author Alexius Naboth.[5][6] In 1544, Valentin immatriculated[3] at the University of Wittenberg, at the time Philipp Melanchthon, Erasmus Reinhold, Johannes Bugenhagen, Paul Eber, and Georg Major taught there. In 1550 he transferred to the University of Erfurt.[4]

Valentin Naboth was Baccalaurean when he came from Wittenberg to Erfurt, and had certainly an outstanding mathematical ability. The Faculty council took on the risk to turn the courses in Mathematics over to this gifted but troubled Renaissance spirit even though he had not yet a Magister degree. That decision was made at the meeting of 16 August 1551, and from then on Naboth taught Mathematics and Sphaera materialis. He also taught in the summer semester and winter semester of 1552. There was a plague epidemic, and the courses were shortened; Liborius Mangold taught only rhetoric and Naboth Sphaera. The conscientious Liborius Mangold from Warburg, who was Dean, did not seem to get along with the much favored mathematician Naboth, and when the latter even borrowed money from the University for the Magister's examination, Liborius wrote to the Dean's book, "quod prius nunquam nec visum nec auditum fuit". Valentin Naboth passed the examination. But right after he had his Magister’s degree, he wrote on February 6 a letter to the Faculty about which the Dean remarked that a letter in such a tone had never been seen or heard of before. Maybe it was one of the reasons why Liborius Mangold gave up after twelve years as rector of St. Georgsburse and a professor of physics and rhetoric, and accepted an administrative position in his native town of Warburg. But not only he left. Without saying a word Valentin Naboth went as well. The faculty waited in vain for him for the summer semester 1553, he didn’t come. The Faculty was still hoping for Naboth’s return and waited some more before replacing him. But Naboth had gone to the University of Cologne and matriculated there with the intention to teach mathematics at this major University – which he succeeded to do. Naboth remained in Cologne for a decade, but then this restless spirit couldn’t stay any longer, he moved on to the center of the mathematical studies of that time, at the University of Padua, and taught and wrote there. He had always been an eccentric, and became even more so over there.[7]

From 1555 mathematician and physician Valentin Naboth taught mathematics at the University of Cologne, first privately, and from 1557 to 1564 as the holder of a "City" Professorship of mathematics.[8][9] He succeeded Justus Velsius, who in 1556, on account of teachings deemed heretical by the Church, was obliged to leave Cologne. Dutch mathematician Rudolph Snellius was one of his students in Cologne.[2]
In 1556 he published the first book of Euclid, and then his own mathematical commentary on the Arab astrologer Alchabitius, 1560, in which he opposed magic and superstition. In his mathematical work he followed Regiomontanus; but further on he preferred Ptolemy – in agreement with Cardanus. He prepared an edition of Ptolemy’s Quadripartitus, but that was never published. In his commentary, he thanked the City that they had him remunerated in the early years, when mathematics was the only discipline not yet integrated into the general University curriculum. If this remark is true – and that can hardly be questioned – then the official Professorship of Mathematics had in fact only now been established. However, in 1563 Laurentianer Petrus Linner requested that Naboth’s lecture be moved to another time, since he himself taught mathematics at his Gymnasium at the very same time. With that he opened up the discussion about competition from the Faculty and College curriculum. Furthermore, he argued that Naboth didn’t have a Magister degree from Cologne, but from somewhere else. And indeed, the Dean decided that henceforth no one could teach a course in the Schola Artium when simultaneously a lecture took place in one of three Gymnasiums. The basic problem with the Arts studies in Cologne could not have been made any clearer than that. Right away, Naboth took the consequences: he left Cologne and later taught in Padua.

In March 1564 Naboth resigned from his position at the University of Cologne.[10] He visited Paris, where he met Czech humanist Šimon Proxenus ze Sudetu (1532–1575),[11] who introduced him to Petrus Ramus.[12] Afterwards Naboth traveled to Italy, eventually settling in Padua, where he taught astronomy. Among his students there was a nephew of Prince Stephen Báthory of Transylvania.

## Work

Naboth was the author of a general textbook on astrology Enarratio elementorum astrologiae. Renowned for calculating the mean annual motion of the Sun, his writings are chiefly devoted to commenting upon Ptolemy and the Arabian astrologers.[9] Naboth teaches the calculation of the movement of the planets according to the Prutenic Tables of Erasmus Reinhold. He advocated a measure of time, by which 0° 59' ​8 1⁄3" (the mean daily motion of the Sun in longitude) is equated to 1 year of life in calculating primary directions. This was a refinement of Ptolemy’s value of exactly 1 degree per year. This book was banned by the Roman Catholic Church.[13][notes 3]

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Naboth's representation of the conventional view of the solar system (left), Martianus Capella's geo-heliocentric astronomical model (center) and Copernicus' heliocentric model.

In 1573 Naboth published an astronomy textbook for gymnasium students Primarum de coelo et terra, which was dedicated to Stephen Báthory. There can be no doubt that Naboth was working from De revolutionibus orbium coelestium when he wrote this textbook, since in this book he provides schematics of the conventional model of the solar system, Martianus Capella's geo-heliocentric model, as well as Copernicus' heliocentric model.[15] Tycho Brahe owned an early copy of this book, and since this book contains the first schematic representation of Capella's geo-heliocentric model it is likely that this book provided the inspiration for Tycho's geo-heliocentric model. Wittich may also have been influenced by Naboth's book in adopting the Capellan system to explain the motion of the inferior planets,[16] and Kepler may have used this book as well. In this book Naboth introduced the expression world system (systema mundi, mundanum systema, systema universitatis, and also systema coeleste, systema caelorum and systema aethereum),[17] a concept that was later adopted by Tycho, Kepler, and by Galilei as well.

The natal chart of Valentine Naibod according to Kenelm Digby (1640).[18]

## Final years

Naboth came to a bad end. Tommaso Campanella, in a work published in Lyons in 1629,[19] tells the story that Naboth was living in Padua, Italy, when he deduced from his own horoscope that he was about to enter a period of personal danger, so he stockpiled an adequate supply of food and drink, closed his blinds, and locked his doors and windows, intending to stay in hiding until the period of danger had passed. Unfortunately, some robbers, seeing the house closed and the blinds drawn, decided that the resident was absent. They therefore broke into what they thought was an empty house, and, finding Naboth there, murdered him to conceal their identities. Thus he did not escape the fate predicted by his own astrological calculations: "Ducunt volentem fata, nolentem trahunt".

Abraham Sandeck recorded in the Acts of the German Artistennation 1593 the following event: "On the third of March, there happened a tragic incident involving Valentin Naboth of Silesia, sixty years old, a famous mathematician: he was found dead in his study, some ways away from frequently travelled areas, wounded by five wounds: one in the breast under the left nipple, another on his left side, the third in the right abdomen, the fourth under his navel, and the fifth in the left hand."[notes 4]

## Selected works

* Elementorum Geometricorum liber primus, cui ex sequentibus libris accesserunt Propositiones selectae atque ita ordinatae, ut demonstrari queant observata Geometrarum Methodo, Cologne 1556.
* De calculatoria numerorumque natura Sectiones quatuor, Cologne 1556.
* Enarratio elementorvm astrologiae in qva praeter Alcabicii, qvi Arabum doctrinam compendio prodidit, expositionem, atq[ue] cum Ptolemaei principijs collationem, reiectis sortilegijs & absurdis vulgoq[ue] receptis opinionibus, de verae artis praeceptorum origine & usu satis disseritur, Cologne 1560.
* Primarum de coelo et terra institutionum quotidianarumque mundi revolutionum, libri tres, Venice (1573)
* Astronomicarum institutionum libri III, quibus doctrinae sphaericae elementa methodo nova, facili et ad captum tyronum aptissima traduntur, Venice (1580)
* De annui temporis mensura in Directionibus and De Directionibus, published by Giovanni Antonio Magini in De astrologica ratione, Venice (1607)

## Notes

1. ↑ Giovanni di Strassoldo writes in a letter to Giovanni Antonio Magini the following:  << Valentinus Nabodus Exphardiensis matheseos professor doctissimus in Accademia Coloniensi, natus anno 1523, 13 Februarij, Hor. 18, min. 32. Mercurium habuit iunctum Lunae in Aquario domo 12ma >> le hore s'intendono P.M. [1] According to Astrowiki Hor. 18, min. 32. P.M. should be counted from noon February 13, meaning that Naboth was actually born 6:32 A.M. February 14, Valentine's Day.
2. ↑ The student Matrikel of Wittenberg[3] has the following entry: Valentinus Neboth Kalensis. Gratis inscripsi. Anfang 1544, while the Matrikel of Erfurt[4] has: Valentinus Naboth Callensis. 'Calensis' stands for 'from Calau'. Furthermore, in the introduction to his book De calculatoria numerorumque natura Sectiones quatuor (1556) Naboth identifies himself as Valentinus Nabodus Lusitanus, i.e. 'from Lusatia'.
3. ↑ Naboth's Enarratio elementorum astrologiae was actually censored by the Spanish Inquisition, and appears on a list of prohibited books.[14] The online copy of the book at the University of Seville appears to have been expurgated following the specific instructions of the Inquisitors.
4. ↑ III martii accidit casus pertristis Valentini Nabothi Silesii senis sexagenarii, mathematici insignis: inventus is est mortuus in musaeo suo, ab hominum consuetudine et frequentia nonnihil remoto, V vulneribus confixus; uno in pectore sub mammella sinistra, altero in latere sinistr, 3 in hypochondrio dextro, 4 sub umbilico, 5 in mano sinistra.[20]

## References

1. ↑ Favaro, Antonio (1886) (in Italian). Carteggio inedito di Ticone Brahe: Giovanni Keplero e di altri celebri astronomi e matematici dei secoli XVI. e XVII. con Giovanni Antonio Magini, tratto dall'Archivio Malvezzi de' Medici in Bologna. Bologna: Nicola Zanichelli. pp. 314–315. OCLC 559767244. https://books.google.com/books?id=tmm4AAAAIAAJ&pg=PA315#v=onepage&q&f=true.
2. ↑ 2.0 2.1 Tomasini, Giacomo Filippo (1630). Illustrium virorum elogia. Padua: Pasquardus. pp. 181. OCLC 181667693. https://books.google.com/books?id=39s_AAAAcAAJ&pg=PA181#v=onepage&q&f=true.
3. ↑ 3.0 3.1 Brieger, Theodore (1879). Zeitschrift für Kirchengeschichte. Gotha: F.A. Perthes. pp. 304. OCLC 949350. https://books.google.com/books?id=HVIMAAAAIAAJ&pg=PA304#PPA304,M1.
4. ↑ 4.0 4.1 Hendel, Otto (1884). Acten der Universität. Universität Erfurt. p. 380. https://books.google.com/books?id=kUcBAAAAYAAJ&pg=PA380#v=onepage&q&f=true.
5. ↑ Bautz, Traugott, ed (2008). "Naboth (Nabod, Nabut, Nobotensis), Alexius" (in de). Biographisch-Bibliographisches Kirchenlexikon (BBKL). 29. Nordhausen: Bautz. cols. 965–973. ISBN 978-3-88309-452-6. http://www.bbkl.de/n/naboth_a.shtml.
6. ↑ Cremer, Hermann (1895). Greifswalder Studien. Gütersloh: Bertelsmann. pp. 27. OCLC 40242148. https://books.google.com/books?id=bZQAAAAAMAAJ&pg=RA1-PA27#PRA1-PA27,M1.
7. ↑ Kleineidam, Erich (1980). Universitas Studii Erffordensis: Die Zeit der Reformation und Gegenreformation 1521–1632 Erfurter theologische Studien Volume 3 of Universitas Studii Erffordensis: Überblick über die Geschichte der Universität Erfurt. Leipzig: St. Benno-Verlag. pp. 74. OCLC 260388. https://books.google.com/books?id=_JbxPQAACAAJ.
8. ↑ Meuthen, Erich (1988) (in German). Kölner Universitätsgeschichte: Die alte Universität. Volume 1 of Kölner Universitätsgeschichte. Böhlau. pp. 286–287. ISBN 3-412-06287-1. OCLC 180392627.
9. ↑ 9.0 9.1 Thorndike, Lynn (1943). "Chapter XXXIII Astrology after 1550". A History of Magic and Experimental Science: Volumes V and VI, the Sixteenth Century. Columbia University Press. pp. 119. ISBN 0-231-08795-0. https://books.google.com/books?id=cgKm55wQMGUC&lpg=PP1&pg=PA119#v=onepage&q&f=true.
10. ↑ Ennen, Leonard (1875). Neuere Geschichte der Stadt Köln. L. Schwann, Köln. p. 709. https://books.google.com/books?id=vZEKAAAAIAAJ&pg=PA709.
11. ↑ Proxenus ze Sudetu, Šimon (1979). Martínková, Dana. ed (in Latin). Commentarii de itinere Francogallico. Bibliotheca scriptorum Medii Recentisque Aevorum, ser. nova, t. 5. Budapest: Akadémiai Kiadó. ISBN 963-05-1843-0. OCLC 7736635.
12. ↑ Secret, François (1998) (in French). Postel revisité: nouvelles recherches sur Guillaume Postel et son milieu. Paris: S.É.H.A.. ISBN 88-7252-187-4. OCLC 123291208.
13. ↑ Poggendorff, Johann Christian (1863). Biographisch-literarisches Handwörterbuch zur Geschichte der Exacten Wissenschaften. J.A. Barth, Leipzig. p. 250. https://books.google.com/books?id=zXcJAAAAIAAJ&pg=PA49.
14. ↑ Inquisició, Imprenta de Música (1707) (in Latin). Novissimus librorum prohibitorum et expurgandorum index pro Catholicis Hispaniarum Regnis. ex typographia Musicae. pp. 302. OCLC 433443951. https://books.google.com/books?id=DLoa3ABSoyQC&pg=PA302#v=onepage&q&f=true.
15. ↑ Westman, Robert S. (1975). The Copernican achievement. University of California Press. p. 322. ISBN 978-0-520-02877-7. OCLC 164221945. https://books.google.com/books?id=sLb6k-62vbQC&lpg=PA285&pg=PA322#v=onepage&q&f=true.
16. ↑ Goulding, Robert (1995). "Henry Savile and the Tychonic World-System". Journal of the Warburg and Courtauld Institutes (The Warburg Institute) 58: 152–179. ISSN 0075-4390.
17. ↑ Lerner, Michel-Pierre (2005). "The origin and meaning of "world system"". Journal for the History of Astronomy 36: 407–441. ISSN 0021-8286. Bibcode: 2005JHA....36..407L.
18. ↑ Longueville, Thomas (1896). The life of Sir Kenelm Digby. London: Longmans, Green, and co.. OCLC 1013186. https://books.google.com/books?id=P2jSAAAAMAAJ&pg=PA246-IA1#v=onepage&q&f=true.
19. ↑ Campanella, Tommaso (1629). Astrologicorum libri VI. Lyons: Iacobi, Andreae & Matthaei Prost. OCLC 2623749. https://books.google.com/books?id=XWVcwQGjiGMC&pg=PA283#v=onepage&q&f=true. Liber Septimus, page 23
20. ↑ Zonta, Claudia (2000) (PDF). Schlesier an italienischen Universitäten der Frühen Neuzeit 1526–1740. Historisches Institut der Universität Stuttgart. p. 267. http://deposit.ddb.de/cgi-bin/dokserv?idn=961627476&dok_var=d1&dok_ext=pdf&filename=961627476.pdf. Retrieved 2008-08-09.

## Further reading

* Tomasini, Giacomo Filippo (1654) (in Latin). Gymnasium Patavinum Jacobi Philippi Tomasini Libris V comprehensum. Utini: Nicolai Schiratti. p. 432. OCLC 601343447. https://books.google.com/books?id=nFEVAAAAQAAJ&pg=PA432#v=onepage&q&f=true.
* di Fieschi, Maurizio (1665) (in Latin). Comitis de Flisco Decas de fato, annisque fatalibus tam hominibus quam regnis mundi. Frankfurt am Main: J. B. Schönwetter. pp. 63–64. OCLC 7538271. http://www.bsb-muenchen-digital.de/~web/web1000/bsb10008160/images/index.html?digID=bsb10008160&pimage=00082&v=100&md=0&nav=0&l=en.
* Happel, Eberhard Werner (1687) (in German). Mundus Mirabilis Tripartitus, Oder Wunderbare Welt, in einer kurtzen Cosmographia fürgestellet .... 1. Ulm: Wagner. p. 62. OCLC 457634736. http://www.bsb-muenchen-digital.de/~web/web1035/bsb10358891/images/index.html?digID=bsb10358891&pimage=00092&v=100&md=0&nav=0&l=en.
* Hartzheim, Josephus (1747) (in Latin). Bibliotheca Coloniensis; in qua vita et libri typo vulgati et manuscripti recensentur omnium Archi-dioeceseos Coloniensis, ducatuum Westphaliae, Angariae ... indigenarum et incolarum scriptorum. Praemittitur chorographica descriptio omnium parochiarum ad Archi-dioeceseos Coloniensis hierarchiam pertinentium. Gregg Press. pp. 312. OCLC 222764557. https://books.google.com/books?id=xQU_AAAAcAAJ&pg=PA312#v=onepage&q&f=true.
* Iselin, Jacob Christoff (1747) (in German). Neu-vermehrtes Historisch- und Geographisches Allgemeines Lexicon. Dritter Theil. 3. Basel: Johann Ludwig Brandmüller. p. 610. OCLC 60699357. https://books.google.com/books?id=TDo-AAAAcAAJ&pg=PA610#v=onepage&q&f=true.
* Jöcher, Christian Gottlieb (1751) (in German). Allgemeines Gelehrten Lexicon. Dritter Theil, M–R. Johann Friedrich Gleditschens Buchhandlung (Leipzig). https://books.google.com/books?id=QTU-AAAAcAAJ&lpg=PP7&pg=PA807#v=onepage&q&f=true.
* Locke, William, ed (January 1792). "The nativity of Valatine Naibod, astrologer". The Conjuror's magazine (London): 171–172. OCLC 1518483. https://books.google.com/books?id=_iIOAAAAYAAJ&pg=PA171#v=onepage&q&f=true.
* Smith, Robert Cross (1828). A manual of astrology, or The book of the stars, by Raphael. C.S. Arnold (London). https://books.google.com/books?id=u4RF3OL6BxAC&pg=PA32#PPA32,M1. page 32
* Merlo, J. J., „ Naibod, Valentin“, in: Allgemeine Deutsche Biographie 23 (1886), S. 242–243
* Zinner, Ernst (1941) (in German). Geschichte und Bibliographie der astronomischen Literatur in Deutschland zur Zeit der Renaissance. Leipzig: Hiersemann. OCLC 504420102. http://www.gbv.de/dms/hebis-mainz/toc/082234841.pdf.
* Holden, James H. (2006). "Early Modern Astrology". History of Horoscopic Astrology. American Federation of Astr. ISBN 0-86690-463-8. https://books.google.com/books?id=9p1igGF3gpUC&pg=RA1-PA168. page 168

## External links

* Valentin Naboth at the Mathematics Genealogy Project

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