1. UCL Department Of Greek And Latin: Research: Theophrastus References for the biography of Heraclides B L van der Waerden, On the motion of the planets according to heraclides of pontus, Arch. Internat. http://www.ucl.ac.uk/GrandLat/people/sharples/conf2003.htm

Department of Greek and Latin Theophrastus Project: Conference on Heraclides of Pontus These pages are maintained by Bob Sharples of the Department of Greek and Latin, UCL , as part of his and the Department's contribution to Project Theophrastus, an international collaborative undertaking directed by Professor William W. Fortenbaugh , Department of Classics, Rutgers University PROJECT THEOPHRASTUS: HERACLIDES OF PONTUS 25th -28th June 2003, University of Leeds Since its inception at a conference at Rutgers University in 1979 the Project has held biennial conferences on various aspects of Theophrastus' work and on related topics concerning the history of the Peripatos. For 2003 Project Theophrastus announces a conference on Heraclides of Pontus. The conference will draw together specialists to reassess Heraclides' philosophical contribution in the light of recent scholarship, and to explore interactions between Heraclides and other thinkers. Wednesday 25th Registration/tea Introduction READING HERACLIDES Professor Tiziano Dorandi (Paris): The papyrological tradition of Heraclides of Pontus Dinner Thursday 26th READING HERACLIDES (continued) Professor Jørgen Mejer (Athens): Heraclides' intellectual context Dr Matthew Fox (Birmingham): Heraclides and the dialogue form Coffee Professor Johannis Taifacos (Cyprus): Heraclides of Pontus and Clearchus of Soloi conjoined in the Deipnosophistai of Athenaeus Lunch HERACLIDES' THOUGHT Professor Eckart Schütrumpf (Colorado): Observations on Heraclides'

2. Heraclides heraclides of pontus. Born 387 BC in Heraclea Pontica (now Eregli, Turkey) Died312 BC in Heraclea Pontica. Click the picture above to see two larger pictures http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Heraclides.html

Heraclides of Pontus Born: 387 BC in Heraclea Pontica (now Eregli, Turkey) Died: 312 BC in Heraclea Pontica Click the picture above to see two larger pictures Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Heraclides of Pontus has achieved fame for a long time as the first to propose that the sun was the centre of the solar system but this has been shown to be due to a misinterpretation of what he wrote. We do have some details of Heraclides' life. His father was named Euthyphron, a wealthy man of high status from Heraclea Pontica, who was descended from one of the original founders of this Greek city on the south coast of the Black Sea. Heraclides attended the Academy in Athens and was left in charge of it during Plato 's third visit to Sicily in 360 BC. Although in some sense he was a pupil of Plato , he also studied with Aristotle and with Speusippus who was Plato 's successor as head of the Academy. When Speusippus died in 339 BC there was an election for the new leader despite Xenocrates having been chosen to head the Academy by Speusippus. It was a close battle between

3. Heraclides Biography of Heraclides (387BC312BC) heraclides of pontus. Born 387 BC in Heraclea Pontica (now Eregli, Turkey) http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Heraclides.html

Heraclides of Pontus Born: 387 BC in Heraclea Pontica (now Eregli, Turkey) Died: 312 BC in Heraclea Pontica Click the picture above to see two larger pictures Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Heraclides of Pontus has achieved fame for a long time as the first to propose that the sun was the centre of the solar system but this has been shown to be due to a misinterpretation of what he wrote. We do have some details of Heraclides' life. His father was named Euthyphron, a wealthy man of high status from Heraclea Pontica, who was descended from one of the original founders of this Greek city on the south coast of the Black Sea. Heraclides attended the Academy in Athens and was left in charge of it during Plato 's third visit to Sicily in 360 BC. Although in some sense he was a pupil of Plato , he also studied with Aristotle and with Speusippus who was Plato 's successor as head of the Academy. When Speusippus died in 339 BC there was an election for the new leader despite Xenocrates having been chosen to head the Academy by Speusippus. It was a close battle between

4. Greek Mathematics Index Dinostratus Diocles Dionysodorus Diophantus Domninus Eratosthenes Euclid Eudemusof Rhodes Eudoxus Eutocius Geminus heraclides of pontus Heron Hipparchus http://www-gap.dcs.st-and.ac.uk/~history/Indexes/Greeks.html

History Topics: Index of Ancient Greek mathematics Articles about Greek mathematics. Squaring the circle Doubling the cube Trisecting an angle Greek Astronomy ... Greek number systems Various lists of Greek mathematicians. Full list Mathematicans/Philosophers Mathematicians/Astronomers Mathematicians/Astronomers/Philosophers ... Later circle squarers Click on a name below to go to that biography. Full List of Greek Mathematicians in our archive Anaxagoras Anthemius Antiphon Apollonius ... Zenodorus Greek Mathematicans/Philosophers Anaxagoras Antiphon Archytas Aristotle ... Zeno of Elea Greek Mathematicians/Astronomers Apollonius Archimedes Aristarchus Aristotle ... Theon of Smyrna Greek Mathematicians/Astronomers/Philosophers Aristotle Cleomedes Democritus Eudoxus ... Thales Greek Circle squarers Anaxagoras Antiphon Apollonius Archimedes ... Bryson Carpus Dinostratus Hippias Hippocrates Nicomedes ... Sporus Later Circle squarers Al-Haytham Johann Bernoulli Cusa James Gregory ... Search Form JOC/EFR August 2001 The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/history/Indexes/Greeks.html

5. Heraclides Of Pontus Was No Baby Boomer Today, we will examine Greek discoveries in astronomy through heraclides of pontus,who refuted the world view of the baby boomer generation, more than 2000 http://www.geocities.com/antidummy/sub/heraclides.html

Heraclides of Pontus Was No Baby Boomer By Robert Trout

6. Greek Index Eudemus of Rhodes. Eudoxus. Eutocius. Geminus. heraclides of pontus. Heron. Hipparchus. Hippias http://www-groups.dcs.st-and.ac.uk/~history/Indexes/Greek_index.html

Index of Greek mathematicians Below are various lists of Greek mathematicians. Full list Mathematicans/Philosophers Mathematicians/Astronomers Mathematicians/Astronomers/Philosophers ... Later circle squarers Some History Topics about Greek mathematics. Squaring the circle Doubling the cube Trisecting an angle Greek Astronomy Click on a name below to go to that biography. Full List of Greek Mathematicians in our archive Anaxagoras Anthemius Antiphon Apollonius ... Zenodorus Greek Mathematicans/Philosophers Anaxagoras Antiphon Archytas Aristotle ... Zeno of Elea Greek Mathematicians/Astronomers Apollonius Archimedes Aristarchus Aristotle ... Theon of Smyrna Greek Mathematicians/Astronomers/Philosophers Aristotle Cleomedes Democritus Eudoxus ... Thales Greek Circle squarers Anaxagoras Antiphon Apollonius Archimedes ... Bryson Carpus Dinostratus Hippias Hippocrates Nicomedes ... Sporus Later Circle squarers al-Haytham Johann Bernoulli Cusa James Gregory ... Societies, honours, etc JOC/EFR January 2000 The URL of this page is: School of Mathematics and Statistics University of St Andrews, Scotland http://www-history.mcs.st-andrews.ac.uk/history/Indexes/Greek_index.html

7. UCL Department Of Greek And Latin: Research: Theophrastus There are plans for an electronic edition of this material. Other information conferences;next conference, on heraclides of pontus; participants in the Project; http://www.ucl.ac.uk/GrandLat/people/sharples/theophr.htm

Department of Greek and Latin Theophrastus Project These pages are maintained by Bob Sharples of the Department of Greek and Latin, UCL , as part of his and the Department's contribution to Project Theophrastus, an international collaborative undertaking initiated by Professor William W. Fortenbaugh of the Department of Classics at Rutgers University, New Jersey, in 1979. The first stage of the Project was devoted to a collection - Greek/Latin/Arabic texts, translation, and commentaries - of the fragments and testimonia relating to the life and lost works of Theophrastus (c.371-287 BC), colleague of Aristotle and his successor as head of the school he founded, the Lyceum. The text and translation volume was published by E.J. Brill, Leiden, The Netherlands, in 1992. The first volume of commentary on the fragments and testimonia, on biology, appeared in 1995; the second, on physics, in 1998. Other commentaries will follow. In addition, the Project is developing two further areas, publication of minor works by Theophrastus publication of the fragments of other members of Aristotle's school There are plans for an electronic edition of this material.

8. Science - Astronomy Astronomers heraclides of pontus He proposed that the seeming westward movement of theheavenly bodies is due to the eastward rotation of the earth on its axis. http://www.ancientgr.com/archaeonia/science/astronomy/astronomers.htm

9. Glossary Hades Harpies Hebe Helios Hellespont (Hellispontus) Helots Hephaestion HephaestusHera heraclides of pontus Heraclitus Hercules (Heracles) Hermes Herodotus, http://www.ancientgr.com/archaeonia/glossary/h.htm

10. Heraclides heraclides of pontus, Greek philosopher of 4th century AD, was the first to explainthat the apparent rotation of the heavens is brought about by rotation of http://www.angelfire.com/ca5/ancientgreecescience/heraclides

Heraclides Scientists Home Page Anaxagoras Archimedes Aristarchus ... Pythagoras Heraclides of Pontus, Greek philosopher of 4th century AD, was the first to explain that the apparent rotation of the heavens is brought about by rotation of the earth on its axis rather than by the passage of stars around the Earth. He proposed that the seeming westward movement of the heavenly bodies is due to the eastward rotation of the Earth on its axis.

11. Unsaved:///newpage2.htm heraclides of pontus A conference in honour of Dr HB Gottschalk. For 2003Project Theophrastus announces a conference on heraclides of pontus. http://www.sas.ac.uk/icls/institute/internationalconferences.htm

NATIONAL AND INTERNATIONAL CONFERENCES THE OPEN UNIVERSITY Drama and Dialectic in Fifth and Fourth Century Athens 9 January 2003 The Open University, Milton Keynes The aim of this one-day conference will be to allow discussion and exploration of the interaction between two pervasive aspects of a range of literary genres in a period of notable change and development in Athenian culture. Speakers Tania Gergel (KCL) "Laughing at" or "laughing with"? Plato’s dilectical jokes Republic Chris Emlyn-Jones (OU) Tragic and philosophic encounters There will be no conference fee, but a charge of c. £10 will be made for a buffet lunch, tea and coffee etc. For further details please contact Dr Chris Emlyn-Jones, Department of Classical Studies, The Open University, Milton Keynes, MK7 6AA (c.emlyn-jones@open.ac.uk). THIRD A. G. LEVENTIS CONFERENCE Dedicated to the memory of Dinos Leventis FROM WANAX TO BASILEUS 22-25 January 2003 Edinburgh Organised by Dr Irene S. Lemos, Department of Classics and the Third Visiting A. G. Leventis Professor, S. Deger-Jalkotzy

12. Heraclides Of Pontus heraclides of pontus. HB Gottschalk heraclides of pontus. AncientWestern philosophy to c 500 Ancient Greece Literature http://www.expert-music.co.uk/heraclides-of-pontus-920-942-728-1.html

Heraclides of Pontus H B Gottschalk Heraclides of Pontus Ancient Western philosophy to c 500 Ancient Greece Literature Aristophanes and the Definition of Comedy... Virgil's Experience... Hellenistic Poetry... Home ... Policy Process in the Modern State...

13. Antike Astronomie: Die Astronomen Aus Alexandria Translate this page heraclides of pontus and Ecphantus the Pythagorean make the earth move, not in thesense of translation, but by way of turning as on a axle, like a wheel, from http://www.antikenaturwissenschaft.de/HTML/alexandria.html

Apollonios von Perge (ca. 262 - 190 v. Chr.) Messungen, die Aristyllus und Timocharis, Astronomen in der letzten Hälfte des 3. Jhd. v. Chr., vornahmen, zeigten, dass die tatsächlichen Positionen der Planeten von den nach dem eudoxischen System errechneten Positionen deutlich abwichen. Eratosthenes (ca. 276 - ca. 195 v. Chr.) entdeckte bei seinem Versuch, den Erdumfang zu bestimmen, was ihm mit großer Genauigkeit gelang, dass das System der homozentrischen Sphären des Eudoxos nicht flexibel genug war, da es als einzigen Mittelpunkt aller Bewegung nur die Erde zuließ. Apollonios von Perge, der ebenfalls in Alexandria wirkte, entwickelte deshalb ein neues, sehr viel flexibleres System. Er ließ in seiner Theorie auch Kreisbewegungen zu, die nicht die Erde als Mittelpunkt hatten. In seinem Modell bewegt sich jeder Planet im Kreis um einen Mittelpunkt, der sich ebenfalls im Kreis um die Erde bewegt, so wie sich im heliozentrischen Weltbild der Mond um die Erde und mit ihr um die Sonne bewegt. Der Kreis, auf dem sich der Planet bewegte, wurde Epizyklus genannt, der Kreis, auf dem sich der Mittelpunkt des Epizyklus bewegte, Deferent . Dieses System war so flexibel, dass es Apollonios 225 v. Chr. gelang, die Bewegung der Planeten genau vorauszuberechnen, was der Theorie zu großer Anerkennung verhalf . Die meisten Lehren, die später entwickelt wurden, stellten nur Abwandlungen der Theorie des Apollonios dar, sogar Kopernikus griff für die Bahnberechnung auf die Epizyklen zurück .

14. History Of Philosophy 10 To the Old Academy belonged Speusippus, Xenoerates, heraclides of pontus, Philipof Opus, Crates, and Crantor; Arcesilaus and Carneades are the principal http://www.nd.edu/Departments/Maritain/etext/hop10.htm

Jacques Maritain Center History of Philosophy / by William Turner CHAPTER X THE PLATONIC SCHOOLS The Laws , which, according to the most probable opinion, was written by Plato, though it was not made public until after his death, bears evidence of the influence which, in the later years of his life, the philosophy of the Pythagoreans exercised on his mind, inclining him to attach more and more importance to the mystic element in philosophy and to the number theory . It was this phase of Platonic thought that was taken up and developed by the Platonic Academies, while in the bands of Aristotle the teachings of the earlier dialogues were carried to a higher development. During the lifetime of Plato there was little, if any, dissension among the members of the school which assembled in the grove of Academus; after Plato's death, however, Aristotle set up a school of his own, in opposition to the members of the Academy, who claimed to possess in their scholarch the authorized head of the Platonic school. The first scholarch was Speusippus, the nephew of Plato, who, according to Diogenes Laertius

15. Classics At Leeds: Members Of Staff Emeritus. Author of Strato of Lampsacus (1965) and heraclides of pontus(1980), and articles on the Peripatetic tradition. He is http://www.leeds.ac.uk/classics/staff.html

University Home Page Classics Home Page School of Classics MEMBERS OF STAFF The Department Office (Parkinson Rm 121) is open to students every working day from 09:00-17:00 daily (except lunch-hour). Tel. (0113) 3433537. E-mail: a.riley@leeds.ac.uk Caroline Goulden Department Secretary . Studied Fashion in Paris, trained as a riding instructor, and has worked both in the UK and abroad, in various different jobs (negotiator in an estate agency, pattern cutter in a Paris fashion company, organiser of trade exhibitions and venue manager, and salvaging in Tahiti...). In overall charge of the Department Office. Keeps records of marks for assessed coursework and exams, and all matters relating to assessment. Administers timetables for teaching and room bookings. Alison Riley Admissions Secretary. Graduate of the University of Leeds in Theology. Ken Belcher , MA (University of Western Ontario, London, Canada), PhD (McMaster University, Hamilton, Canada): Lecturer . Author of articles on Virgil and Homer; he is currently preparing a book on etymologies in the scholia of Theocritus and a translation of Hyginus Fabulae . His interests include Hellenistic poetry, Virgil and Ovid.

16. Popular Fallacies In The History Of Science - Numericana Although heraclides of pontus (387 BC 312 BC) deserves great credit for first suggestingthat the Earth rotates around an axis, he did not yet place the Sun http://home.att.net/~numericana/answer/record.htm

home index units counting ... physics Final Answers , Ph.D. Setting the Record Straight The heliocentric Copernican system was known two millenia before Copernicus. Switching calendars : Newton was not born the year Galileo died. Special Relativity was first formulated by (Einstein a close second). The Fletcher-Millikan "oil-drop" experiment was not the sole work of Millikan. On this site, see also: Humor : Let a kan be the charge of 1000 electrons (so each is a millikan Calendars and chronology Related Links (Outside this Site) Forgotten History by Caroline H. Thompson Popular Fallacies in the History of Science Heliocentric "Copernican" System Did the idea of an heliocentric system originate with Copernicus? No. The idea is actually far more ancient. Although Heraclides of Pontus (387 BC - 312 BC) deserves great credit for first suggesting that the Earth rotates around an axis, he did not yet place the Sun at the center of the Solar system (in spite of what some misguided reports have unfortunately stated). Copernicus (1473-1543) credited Aristarchus of Samos (310 BC - c.230 BC) for the idea of an heliocentric system. The heliocentric system of Aristarchus is only known from the description given in

17. Classical Studies - SP Edns - Author Listing - Postscript Books Horace, Fraenkel, Edward. Oxford University Press, Published Price £14.99,Hardback, Our Price £11.99. heraclides of pontus, Gottschalk, HB. http://www.psbooks.co.uk/SpEditions_Classical_Auth.asp

18. Classical Studies - SP Edns - Title Listing - Postscript Books Hellenistic Poetry, GO Hutchinson. Oxford University Press, Published Price£14.99, Hardback, Our Price £11.99. heraclides of pontus, HB Gottschalk. http://www.psbooks.co.uk/SpEditions_Classical_Title.asp

19. Heliocentric Models Of The World - World Systems - Scientific Revolution - Dr Ro heraclides of pontus proposed a model where earth was at the centerof planetary motion but rotated on its axis daily. Heraclides http://web.clas.ufl.edu/users/rhatch/pages/03-Sci-Rev/SCI-REV-Home/resource-ref-

HELIOCENTRIC MODELS OF THE WORLD Dr Robert A. Hatch - University of Florida T Modern Diagrams - Copernicus' Model rah.jan.99 BACK - HOME

20. Nicole Oresme - On The Heavens Gloss This was the opinion of one called heraclides of pontus who proposedthat the earth is moved circularly and that the heavens are at rest. http://web.clas.ufl.edu/users/rhatch/pages/03-Sci-Rev/SCI-REV-Teaching/HIS-SCI-S

NICOLE ORESME ON THE BOOK OF THE HEAVENS AND THE WORLD OF ARISTOTLE BOOK II. CHAPTER 25. Afterwards he [Aristotle] sets forth another opinion. Text: And some say the earth is at the center of the universe and revolves and moves circularly around the pole established for this, as written in Plato's Timaeus. Gloss: This was the opinion of one called Heraclides of Pontus who proposed that the earth is moved circularly and that the heavens are at rest. Aristotle does not here refute these opinions; it perhaps seemed to him that they have little [root in] appearance and are well refuted elsewhere in philosophy and astronomy. But it seems to me, subject to correction, that one could well support and give luster to the last opinion, namely that the earth, and not the heavens, is moved with a daily movement. Firstly, I wish to state that one could not demonstrate the contrary by any experience (expenence) Secondly, [I will show that the contrary cannot be demonstrated] by reasoning. And thirdly, I will put forth reasons in support of it (that is, the diurnal rotation of the earth). It seems to me that by [using] what I shall say regarding these experiences, one could respond to all the other [experiences] which might be adduced in this matter

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