41. Sacrobosco: Biography made in 1271 by his commentator Robertus Anglicus, he is believed to have beenof English origin; his name is frequently anglicised as john of holywood. http://www.hps.cam.ac.uk/starry/sacrobosco.html

Links Personalities Tour (Next) Previous Sacrobosco Tour (Next) Sacrobosco Pages Sacrobosco Calendar Reform Mathematical Techniques Armillary Sphere ... Books General Pages Home Index Johannes de Sacrobosco Sacrobosco (d. 1256?) is famous for his textbook De Sphaera (c. 1230) which explained the spherical geometry used by Ptolemy and his Islamic commentators and remained popular for four hundred years. It is thought he was born in England and taught at the University of Paris. Larger image (228K) Very large image (2.2M) Reliable information about the life of Johannes de Sacrobosco is scarce, and standard sources such as the Dictionary of Scientific Biography have unfortunately included as fact material deriving from the speculations and inventions of sixteenth- and seventeenth-century antiquarians. On the basis of a statement made in 1271 by his commentator Robertus Anglicus , he is believed to have been of English origin; his name is frequently anglicised as John of Holywood. At some time in the earlier part of the thirteenth century (according to a seventeenth-century account, it was June 5th 1221) he arrived in Paris and formed an association with the university there, although whether it was initially as an arts student or as a licentiate (one who, by virtue of having been made a master of arts at another university was already qualified to teach) is not clear. It is presumed that at some point he was enrolled as a regent master lecturing on mathematics and astronomy. After his death, which may have occurred in 1256, a memorial was constructed in the monastery of St. Mathurin, closely associated with the University of Paris. This was decorated with an astronomical instrument, perhaps an astrolabe, and a few lines of Latin verse which referred to Sacrobosco's

42. The Origins Of Modern Science, 1500-1700 Reading john of holywood, On the Sphere , in E. Grant (ed.), Source Book inMedieval Science, 442451 (in Readings and online) Anon., Theorica planetarum http://www.princeton.edu/~hos/h291/291syl.html

PRINCETON UNIVERSITY DEPARTMENT OF HISTORY The Origins of Modern Science, 1500-1700 Professor Michael S. Mahoney I. Structure of the Course Two lectures, one preceptorial weekly. Midterm written exercise consisting of an essay of about 1500 words on one of several suggested topics. Final examination covering the material of the lectures, readings, and preceptorial discussions. II. Books to be Purchased Jean LeRond D'Alembert, Preliminary Discourse to the Encyclopedia of Diderot (University of Chicago Press) Francis Bacon, The New Organon (Prentice-Hall) William Harvey, On the Motion of the Heart and Blood in Animals (Prometheus) Michael S. Mahoney (ed.), Readings in the Scientific Revolution (packet available from Pequod) All assigned readings are also on 3-hour reserve in the Reserve Room in Firestone Library. There are some general resources for the course on the World Wide Web. Each week has a link to the sources pertinent to its topics. III. Lectures and Assignments Week 1 Week 2 Week 3 Week 4 ... Week 12 Week I (2 February) Lecture 1. Introduction: Science, Culture, and History

43. M.S. Mahoney - The Origins Of Modern Science, 1500-1700 Reading john of holywood, On the Sphere, in E. Grant (ed.), Source Book inMedieval Science, 442451 Anon., Theorica planetarum (Models of the Planets), http://www.princeton.edu/~mike/h291.html

PRINCETON UNIVERSITY DEPARTMENT OF HISTORY History 291 - Fall 1992 The Origins of Modern Science, 1500-1700 Professor M.S. Mahoney I. Structure of the Course Two lectures, one preceptorial weekly; the course will meet during the first week of Reading Period. Midterm written exercise to be completed at home during the week of 19 October, in lieu of lecture and precepts. The exercise will consist of an essay of about 1500 words on one of several suggested topics. Final examination covering the material of the lectures, readings, and preceptorial discussions. II. Books to be Purchased Required: Francis Bacon, The New Organon (Library of Liberal Arts, 97) William Harvey, The Circulation of the Blood and Other Writings (Everyman's) Michael S. Mahoney (ed.), Readings in the Scientific Revolution (available at History Department) Recommended: A. Rupert Hall, The Revolution in Science, 1500-1750 (Longmans) Reserve: Other assigned readings will be found in the Reserve Room at Firestone Library; in some cases the various college libraries may have additional copies. Please keep your fellow students in mind: when you borrow a reading, read it and return it promptly so that others may use it. III. Lectures and Assignments

44. Life In Elizabethan England 60: A Classical Education Arithmetic (john of holywood, John of Pisa); Geometry (Euclid, Boëthius);Music (Boëthius, Jehan de Muris of Paris); Astronomy (Gerard de Cremona) http://renaissance.dm.net/compendium/60.html

A Classical Education If you have a university education (or know someone who has), you should be at least slightly familiar with the following course of study, which has been in place since medieval times. Courses in beer and mayhem are supplementary. In the Faculty of the Arts Aristotle on...: Logical or Rational Philosophy: Organon, Categories, On Interpretation, Analytics, etc. Moral Philosophy: Ethics, Politics, Rhetoric, Poetics Natural Philosophy, or Natural History: Physical Discourse, On the Heavens, On the Soul, On Parts of Animals, Meteorologics, , etc. The Seven Liberal Arts Grammar (authors: Priscian, Donatus, Villedieu, Cassiodorus, and some pagan and early Christian writers.) Rhetoric (Quintillian, Cicero, Eberhard de Bethune) Logic (Porphyry, Gilbert de la Poré, Hispanus) Arithmetic (John of Holywood, John of Pisa) Geometry (Euclid, Boëthius) Music (Boëthius, Jehan de Muris of Paris) Astronomy (Gerard de Cremona) In the Faculty of Law The principal Latin authorities are: In civil law Corpus Juris Civilis, the Code, the Pandects (a digest), the Institutes, the Novellae

45. The Emergence Of Scientific Literature And Quantification 1520-1560 The most famous of these was the Sphere of Sacrobosco (john of holywood) whichwent through at least nine editions (Ingolstadt 1526, Venice 1531, http://www.sumscorp.com/articles/art14.htm

Dr. Kim H. Veltman The Emergence of Scientific Literature and Quantification 1520-1560 Introduction Arithmetic Geometry Perspective and Surveying ... Conclusions 1.INTRODUCTION 2. Arithmetic 3. GEOMETRY 4. SURVEYING AND PERSPECTIVE 5. Astrology 6. ASTRONOMY 7. TABLES 8. Instruments 9. ASTRONOMY, GEOGRAPHY AND COSMOLOGY 10. Conclusions

46. Islamic Astronomy By Owen Gingerich a still further watereddown account of spherical astronomy written in theearly 13th century by john of holywood (Johannes de Sacrobosco). http://faculty.kfupm.edu.sa/phys/alshukri/PHYS215/Islamic astronomy.htm

Islamic astronomy by Owen Gingerich Scientific American , April 1986 v254 p74(10) Historians who track the development of astronomy from antiquity to the Renaissance sometimes refer to the time from the eighth through the 14th centuries as the Islamic period. During that interval most astronomical activity took place in the Middle East North Africa and Moorish Spain. While Europe languished in the Dark Ages, the torch of ancient scholarship had passed into Muslim hands. Islamic scholars kept it alight, and from them it passed to Renaissance Europe. Two circumstances fostered the growth of astronomy in Islamic lands. One was geographic proximity to the world of ancient learning, coupled with a tolerance for scholars of other creeds. In the ninth century most of the Greek scientific texts were translated into Arabic, including Ptolemy's Syntaxis , the apex of ancient astronomy. It was through these translations that the Greek works later became known in medieval Europe . (Indeed, the Syntaxis is still known primarily by its Arabic name, Almagest, meaning "the greatest.")

47. << Journals Division Of UNIVERSITY OF TORONTO PRESS >> 3 See John F. Daly, Sacrobosco, Johannes de (or john of holywood) in Dictionaryof Scientific Biography vol. 12 (New York Scribner 1970). http://www.utpjournals.com/jour.ihtml?lp=product/jsp/293/293_lipscombe.html

48. Museo Della Specola, Bologna - Storia Cap. 4 1244 or 1256) literal Italian translation of the original name john of holywood -was the first book of astronomy written by a western author it was not http://boas3.bo.astro.it/dip/Museum/english/sto1_04.html

4 - The origins of the teaching of Astronomy. We do not know when exactly Astronomy was first taught at the University of Bologna but, at about the same time as teacher Moneta was making his comments on Aristotle, we find in Bologna the person who would become the most famous astrologer of his time: Guido Bonatti (beginning XIII cen.- c.1296). We do in fact know that in 1233 he was engaged in a public debate in Bologna with friar Giovanni Schio da Vicenza (?-1260), a vigorous opponent of astrology Guido Bonatti left us an astrological compilation, entitled Decem continens tractatus astronomiae , which survives in a large number of codices and which was printed three times: in 1491, in 1506 and in 1550. The book was written shortly after 1277 when the author, who died in 1296 or 1297, was already advanced in age; one may assume therefore that it reflected more the knowledge of astronomy in Italy in the first half of the XIIIth century than in the times when the old author drafted the text that has come down to us. In Bonatti’s treatise the section devoted to mathematical astronomy is rather short. He lays out basic ideas regarding the equator, the ecliptic, the altazimuth coordinates, Ptolemy’s system of deferents and epicycles and illustrates how these can explain the phenomena of station and retrogradation of the planets. Bonatti ends the section: "

49. WEMSK 7: Arithmetic art of nombryng, a translation of john of holywood s De arte numerandi (Ashmole ms.396, fol. 48) Accomptynge by counters, reprinted from the 1543 edition http://www.the-orb.net/wemsk/arithmeticwemsk.html

This is another sticky wicket. We are still lacking a decent study on the way numbers were handled in the Middle Ages. One important thing to remember is that modern arithmetic is unlike medieval arithmetic. We have Arabic numbers, they had for the most part Roman. For most of the Middle Ages, arithmetic was just counting. The ease with which we multiply and divide was unknown to them, and much was done by iteration. We have regular numbers and square numbers; they had triangular, pentagonal, stellate, etc. (see Hogben under Geometry). They believed in Wisdom 11.21: omnia in mensura et numero et pondere disposuisti `thou hast ordered all things in measure, and number, and weight', so numbers had significance as well as being numbers. Much of the arithmetic was for the purpose of calendar calculation. BTW, remember the etymology of calculus. They did use counting boxes and the like. 1. A good start on elementary arithmetic is: Gottfried Friedlein, Die Zahlzeichen und das elementare Rechnen der Griechen und Roemern und des christlichen Abendlandes vom 7. bis 13. Jh. (Wiesbaden:

50. Lunar Crater Statistics john of holywood, Johannes Sacrobuschus; British astronomer, ma . Saenger. 4.3N.102.4E. 75. Eugen; German rocketry scientist (19051964). http://lunar.arc.nasa.gov/science/atlas/text/cratertex_s.html

A B C D ... Main Menu Latin Name Lat Long Diam Origin Sabatier Paul; French chemist; Nobel laureate (1854-1941). Sabine "Sir Edward; Irish physicist, astronomer(1788-1883)." Sacrobosco "John of Holywood, Johannes Sacrobuschus; British astronomer, ma" Saenger Eugen; German rocketry scientist (1905-1964). Saha Meghnad; Indian astrophysicist (1893-1956). Samir Arabic male name. Sampson "Ralph Allen; British astronomer, mathematician (1866-1939)." Sanford Roscoe F.; Americanastronomer (1883-1958).

51. Lecture 4 also known as John Halifax, john of holywood, or Johannes de Sacre Bosco; born inYorkshire, England; educated at Oxford; taught mathematics at University http://eee.uci.edu/clients/bjbecker/ExploringtheCosmos/lecture4.html

HISTORY 135C Exploring the Cosmos An Introduction to the History of Astronomy SPRING QUARTER, 2003 Department of History University of California, Irvine Instructor: Dr. Barbara J. Becker Lecture 4. Transmission of Ancient Knowledge from the Fall of Rome (5th c CE) to Pre-Renaissance (12th c) Monastery schools (~5th c) Goals standardizing and preserving Christian dogma scriptoria preserving and practicing Christian lifestyle herbaria (cultivating herb and vegetable gardens) vivaria (husbanding useful animals) valetudinaria (maintaining good health) Principal Sources of Ancient Science (300 - 800 CE) Author Work Latin translation by/from When Plato Timaeus Chalcidius/Greek 4th c Aristotle some logical works Boethius/Greek 6th c Lucretius On Nature known in 8th c Boethius (480-524) Roman of noble birth preserved knowledge on logic and mathematics translated Aristotle's Logic; Pythagoras; Euclid Cassiodorus (488-575) Roman statesman and scholar wrote commentaries on liberal arts supported making copies of secular works Isidore of Seville (560-636) preserved medical knowledge emphasized mystical view of natural phenomena Bede of Jarrow (673-735) incorporated ancient knowledge into own writing influenced by Pliny’s Natural History made methodical study of tides and published tables Islamic Science—9th-12th c Spread of Islam from death of Mohammed (632) to 750 Al-Khwarizmi c. 800-847

52. AST 3043 TOPIC LIST 1. Celestial Sphere, Poles, And Equator And Sacrobosco (john of holywood) medieval texts on astronomy, esp. Tractatus desphaera. 46. dichotomy both in Islamic thought and in late medieval http://www.astro.ufl.edu/~hsmith/TopicList3043.html

AST 3043 TOPIC LIST 1. celestial sphere, poles, and equator and relation to Earth's poles and equator 2. horizon, zenith, celestial meridian; altitude and latitude, daily (diurnal) motion in different parts of sky and different latitudes 3. Sun's annual motion: evidence, path around ecliptic; equinoxes and solstices, their meanings, their approximate dates, and Sun's noon altitude; rising and setting points through year 4. equatorial coordinates: definitions, units 5. sidereal year vs. tropical year, precession and its effects; heliacal rising of stars 6. Moon's phases and time of day; its motion relative to stars, ascending and descending nodes; synodic, sidereal, and nodical (draconic) months, relative lengths and why, regression of nodes, lunar major and minor standstills 7. Stonehenge: megalith; main elements, possible alignments, Stonehenge Decoded and Aubrey holes; considerations for astronomical identifications generally; probable use 8. Newgrange: alignment, probable use 9. Inca: Coricancha symbolism and alignment; Pleiades heliacal rising; ceque system, huacas, social and spatial organization, and calendar; Cerro Picchu and planting, antizenith (nadir) sunsets 10. inferior and superior planets, configurations, transits, motions on celestial sphere and retrograde motion, synodic

53. AST 3043 Topic List 2 of Aristotle s theory of motion Buridan, Oresme; impetus, argument of fall;Sacrobosco (john of holywood) medieval texts on astronomy, esp. http://www.astro.ufl.edu/~hsmith/Topics2_f04.htm

AST 3043 TOPIC LIST 2 Thales cosmos as object of contemplation; flat Earth under domed sky; solar eclipse "prediction" Pythagoras and his school: numerology; spherical Earth, Moon, Sun; "music of the spheres;" Philolaus's cosmology Plato distrust of appearances, use reason to find forms; image of concentric spheres with planets Eudoxus mathematical model: concentric spheres centered on Earth, hippopede; problems Aristotle geocentric physical model based on Eudoxus; arguments for spherical Earth; argument of fall; argument against Earth's orbiting Sun (argument of parallax); quinta essentia and immutability; ideas about comets and meteors; ideas about motion; approximate date Heraclides Earth's rotation; Mercury and Venus orbit Sun Aristarchus Hellenistic astronomy; relative distances of Sun and Moon; dimensions of Sun and Moon relative to Earth; heliocentric model; approximate date Eratosthenes position; circumference of Earth Hipparchus star catalogue with celestial longitudes and latitudes, magnitudes; discovery of precession; inequality of seasons and Sun's orbit; Moon's orbit; Moon's geocentric parallax; accurate lengths of various kinds of months and of year; approximate date Ptolemy geocentric model using epicycles (Apollonius), equant and other problems;

54. RE: On The Word Length Distribution: Juan Caramuel Y Lobkowitz expert s report on an antiquo manuscripto by Johannes de SacroboscoAnglus (that could be latin for john of holywood the Englishman , I suppose). http://www.voynich.net/Arch/2000/12/msg00052.html

Date Prev Date Next Thread Prev Thread Next ... Thread Index RE: On the word length distribution: Juan Caramuel y Lobkowitz To (Claus Anders) Subject : RE: On the word length distribution: Juan Caramuel y Lobkowitz From Date : Wed, 27 Dec 2000 19:30:48 -0200 (EDT) Cc voynich@xxxxxxxx Delivered-to : reeds@research.att.com In-reply-to KBELLPCIOGPHOGBGEOHGOEBJCAAA.Claus_Anders@t-online.de References KBELLPCIOGPHOGBGEOHGOEBJCAAA.Claus_Anders@t-online.de Reply-to Sender Thanks Claus for Caramuel's bio. The letter I remembered is dated from Prague, 1647: http://Brunelleschi.imss.fi.it/kircher/556/large/232r.jpg http://Brunelleschi.imss.fi.it/kircher/556/large/232v.jpg It is about music; it doesn't have binary numbers, but it has a table of negative powers of 1/2 starting with 10,000,000 = 0, 5,000,000 = 1, 2,500,000 = 2, etc. The third column of that table is positively tickling ;-) The letter happens to mention our old friend Marci. The following one, from Svirae(?) 1644, also mentions Marci and has quotes in Arabic and Hebrew: http://Brunelleschi.imss.fi.it/kircher/556/large/364r.jpg

55. Matematici S-Z Sacrobosco, Giovanni di ie john of holywood (Holywood, Yorkshire, http://encyclopedie-it.snyke.com/articles/matematici_s_z.html

Matematici S-Z Elenco in ordine alfabetico limitato alle iniziali S, T, ... e Z delle maggiori personalit  della matematica Vedi Matematici con iniziale A B C D ... Z Saranno disponibili anche elenchi di matematici in ordine cronologico S Saccheri, Giovanni Girolamo ( San Remo 5 settembre Milano 28 ottobre ... Sacrobosco, Giovanni di i.e. John of Holywood (Holywood, Yorkshire, Inghilterra Parigi Saint-Venant, Adh©mar de (Villiers-en-Bi¨re, Senna e Marna Seine-et-Marne Francia 23 agosto - St Ouen, Loir-et-Cher Francia 6 gennaio Saint-Vincent, Gregorius (Bruges, Belgio, 8 settembre - Gand, Belgio 27 gennaio Saks, Stanislaw (Kalisz, Polonia 30 dicembre Varsavia Polonia ... 23 novembre Sansone, Giovanni ( Porto Empedocle Firenze Saradha, K. ( India Saradha, Natarajan ( India Sarrus, Pierre Frederic ( Francia Satge, Philippe ( Francia Sato, Mikio ( Giappone Premio Schock Sce, Michele ( Tirano Sondrio Milano Schiaparelli, Giovanni Virgilio ( Savigliano Cuneo 14 marzo Milano ... Padova Schl¤fli, Ludwig ( Svizzera Berna Svizzera Schmidt, Erhard (Dorpat, Germania i.e. Tartu Estonia 13 gennaio Berlino ... 6 dicembre Sch¶nflies, Arthur Moritz (Landsberg an der Warthe, Germania i.e. Gorz³w

56. Esther G—mez-Sierra the fifteenth and sixteenth centuries. The dialogue is, in effect, a commentaryupon the celebrated Sphera of Iohannes Sacrobosco (john of holywood). http://www.art.man.ac.uk/SPANISH/staff/gomezpubl.htm

Department of Spanish, Portuguese, and Latin American Studies ESTHER GOMEZ SIERRA Publications La voz del silencio, This article provides a close reading of the first autobiographical text in Spanish literature. The Memorias were produced by Leonor L—pez de C—rdoba, a member of the losing side in the dynastic wars of late fourteenth-century Castile. They give an account of her experiences and her struggle to recover a portion of her social prominence. The article studies in depth the narrative devices used, the resultant structure and the importance of both for a historiographical consideration of the text. 'Aprender y saber lat’n: Marta la Piadosa vista desde La lozana andaluza ', in Studia Aurea: actas del III Congreso de la A. I. S. O. (Toulouse-Pamplona: Universidad, 1996), pp. 159-68. A study of the use of Latin words for comic purposes in Golden Age Spanish comedias, with a main focus on Marta la Piadosa by Tirso de Molina. The interplay between romance (Spanish) and Latin allows for the development of puns and double entendres and, ultimately, shapes the way in which the characters are perceived whilst giving an insight into the sort of audience that such verbal devices were aiming at.

57. GEO.de - Interview: Zu Flach Gedacht Translate this page nimmt das einflussreiche Buch Liber de Sphaera des Engländers Johannes deSacrobosco (john of holywood) wieder auf, das aus der ersten Hälfte des 13. http://www.geo.de/GEO/kultur_gesellschaft/geschichte/2003_01_GEO_skop_erdgestalt

var szmvars="geo//CP//1020270"; GEO Magazin Interview: Zu flach gedacht Im Mittelalter glaubte man, dass die Erde eine Scheibe sei - oder doch nicht? Ein Bonner Professor weist das platte Weltbild als lange verbreiteten Mythos aus Nur der Einfachheit halber wurde im Mittelalter die gesamte bekannte Welt auf eine Kartenseite projiziert, wie hier auf der mappa mundi aus dem Jahr 1448 GEO: Rudolf Simek: Als ich meine Habilitationsschrift über "Altnordische Kosmographie" schrieb, ging auch ich von dieser gängigen Überzeugung aus. Nur: Bei allem Bemühen fand ich keine einzige Quelle, nach der die Erde nicht als kugelrund galt. Das hieß: Entweder waren die zuweilen als rückständig verschrieenen Skandinavier der restlichen Welt weit voraus, oder etwas war faul an unserer Schulweisheit. Ich habe meine Studien dann ausgeweitet und festgestellt: Bis auf einige obskure mittelalterliche Autoren, die von Wissenschaftlern des 17. Jahrhunderts bewusst verunglimpft wurden, um das "unaufgeklärte" Mittelalter als borniert darzustellen, hat nie jemand ernsthaft daran gezweifelt, dass die Erde ein Ball ist. GEO: Simek: GEO: Aber es gibt doch zahlreiche Karten aus dem Mittelalter, welche die Welt als Scheibe darstellen?

58. Project MUSE When we talk about the study of Ptolemaic astronomy in the universities, we meannew introductory texts such as john of holywood s On the Sphere and various http://muse.jhu.edu/journals/perspectives_in_biology_and_medicine/v045/45.1sivin

How Do I Get This Article? Athens Login Access Restricted This article is available through Project MUSE, an electronic journals collection made available to subscribing libraries NOTE: Please do NOT contact Project MUSE for a login and password. See How Do I Get This Article? for more information. Login: Password: Your browser must have cookies turned on Sivin, Nathan "Translating Science" Perspectives in Biology and Medicine - Volume 45, Number 1, Winter 2002, pp. 131-140 The Johns Hopkins University Press Excerpt Translation at the same time enables and hinders the exchange of knowledge. How that happens is not easy to understand. Science, with its ideal of perfect communication across cultural barriers, poses special perplexities that are the subject of these two very different books. They not only tell fascinating stories, but will be useful to scientists who are dissatisfied with platitudes. They are complementary in more ways than one. Harried lecturers often rely on old history of science textbooks to add a pinch of humanistic spice to meat-and-potatoes technical courses. Such surveys tell a simple and linear story. This is how it goes: the Greeks invented science, and theoretical physics, molecular biology, and the rest evolved from their empirical and logical methods. There was one slight detour on this otherwise linear path of development: Europeans happened to wipe out their classical culture (and, for that matter, most of their literacy) over about four centuries beginning roughly

59. Corona Pragensis Jan Sacrabosco (john of holywood) ve svém Traktátu o sfére z konce XIII.století, ve kterém správne popsal príciny zatmení Slunce, však dodává http://praha.astro.cz/crp/0007a.phtml

PP ÈAS CrP Corona Pragensis Èlánky z roku Astronomický slovníèek Velká evropská zatmìní Slunce Marek Zawilski CrP 2000/7-8 Zatmìní Slunce v období støedovìkého úpadku vìd Ze støedovìké Evropy se dochovaly pøedevším zápisky z kronik, vzniklých v mnoha klášterech a na dvorech panovníkù. Do XIV. století, pokud je mi známo, prakticky neexistovala žádná vìdecká astronomická pozorování. O pøíèinách zatmìní se dlouho nevìdìlo skoro nic, a úplná zatmìní vyvolávala všeobecnou hrùzu. Svìdectví na toto téma, sepsaná nejèastìji bratry ve víøe, se v takových pøípadech odvolávají na Evangelia, jako jediný jim známý zdroj popisující podobný jev. Ten však mìl znamenat konec svìta... Pøedchozí úplné zatmìní, které se událo na stejném místì, oddìlovalo vìtšinou nìkolik set let, a tak nebyl nikdo, kdo by si tuto událost pamatoval. Astronomické výpoèetní metody, které byly jen o trochu zmodifikovanou verzí Klaudia Ptolemaia, zaèaly být používány teprve ve XIII. a XIV. století (byly obsaženy v tzv. Alfonsinských tabulkách), a pravidelné pøedpovìdi zatmìní zapoèali ke konci XV. století Johann Müller (Regiomontanus) a Johann Stöffler. Efemeridy toho posledního využíval mj. MikulᚠKoperník. Jan Sacrabosco (John of Holywood) ve svém "Traktátu o sféøe" z konce XIII. století, ve kterém správnì popsal pøíèiny zatmìní Slunce, však dodává:

60. Globusbibliographie Translate this page Johannes de Sacrobosco / john of holywood De sphaera mundi auf deutsch übersetztvon Konrad von Megenberg Die Deutsche Sphaera, ed. Brévart, Tübingen 1980 http://www.fortunecity.de/lindenpark/schwitters/149/globusbibliographie.html

web hosting domain names Fotoalbum Marcus Tullius Cicero: De Oratore, [III, 178-181] ed. Merklin, Stuttgart 21991 Manilius: Astronomia, [II, 749-771.], ed. Fels, Stuttgart 1990 Gaius Iulius Solinus: Collecteana rerum memorabilium, ed. Mommsen, [1895], Berlin 21958 Pomponius Mela: Kreuzfahrt durch die Alte Welt (= De Chorographia libri tres, deutsch), ed. Brodersen, Darmstadt 1994 Aurelius Augustinus: De Genesi ad litteram, in: id.: Opera omnia, III, (Patrologia Latina 34), Paris 1841 Anicius Manlius Severinus Boethius: De consolatione philosophiae, in: id.: The Theological Tractates, ed. Steward / Rand, London / Cambridge 1968 Macrobius Ambrosius Theodosius: Commentariorvm in somnivm Scipionis libri dvo, ed. Scarpa, Padova 1981 Martianus Capella: De nuptiis Mercurii et Philologiae, ed. Willis, Leipzig 1983. Magnus Aurelius Cassiodorus: De artibus ac disciplinis liberalium litterarum, in: Magnus Aurelius Cassiodorus: Opera omnia II, (= Patrologia Latina, LXX), Paris 1848, 1149-1220. Jornandus: De Getarum sive Gothiorum origine et rebus gestis, in: Magnus Aurelius Cassiodorus: Opera omnia, (= Patrologia Latina, LXIX), Paris 1848. Jordanis: Gotengeschichte, ed. Wilhelm Martens, (= Die Geschichtsschreiber der deutschen Vorzeit, 2. Gesamtausgabe, 5), Leipzig 1913.

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