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Heraclides Ponticus

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Heraclides Ponticus
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{{About|the philosopher|the former butterfly genus|Papilio|the historian|Heracleides of Cyme}}Heraclides Ponticus ( Herakleides; c. 390 BC – c. 310 BC){{sfn|Dorandi|1999|p=48}} was a Greek philosopher and astronomer who was born in Heraclea Pontica, now Karadeniz Ereğli, Turkey, and migrated to Athens. He is best remembered for proposing that the Earth rotates on its axis, from west to east, once every 24 hours.{{sfn|Porter|2000}} He is also hailed as the originator of the heliocentric theory, although this is doubted by some.

Life

Heraclides' father was Euthyphron,{{sfn|Gottschalk|1980|p=2}} a wealthy nobleman who sent his son to study at the Platonic Academy in Athens under its founder Plato and under his successor Speusippus. According to the Suda, Plato, on his departure for Sicily in 361/360 BC, left the Academy in the charge of Heraclides. Heraclides was nearly elected successor to Speusippus as head of the academy in 339/338 BC, but narrowly lost to Xenocrates.{{sfn|Guthrie |1986|p=470}}

Work

Like the Pythagoreans Hicetas and Ecphantus, Heraclides proposed that the apparent daily motion of the stars was created by the rotation of the Earth on its axis once a day. This view contradicted the accepted Aristotelian model of the universe, which said that the earth was fixed and that the stars and planets in their respective spheres might also be fixed. Simplicius says that Heraclides proposed that the irregular movements of the planets can be explained if the earth moves while the sun stays still.{{sfn|Simplicius|p=48}}Although some historians{{sfn|Heath|1921||pp=312, 316-317}} have proposed that Heraclides taught that Venus and Mercury revolve around the Sun, a detailed investigation of the sources has shown that "nowhere in the ancient literature mentioning Heraclides of Pontus is there a clear reference for his support for any kind of heliocentrical planetary position".{{sfn|Eastwood|1992|p=256}}A punning on his name, dubbing him Heraclides "Pompicus," suggests he may have been a rather vain and pompous man and the target of much ridicule.{{sfn|Davidson|2007|p=45}} According to Diogenes Laërtius, Heraclides forged plays under the name of Thespis, this time drawing from a different source, Dionysius the Deserter, composed plays and forged them under the name of Sophocles. Heraclides was deceived by this easily and cited from them as the words of Aeschylus and Sophocles.{{sfn|Laërtius|1925|loc=§ 92}} However, Heraclides seems to have been a versatile and prolific writer on philosophy, mathematics, music, grammar, physics, history and rhetoric, notwithstanding doubts about attribution of many of the works. It appears that he composed various works in dialogue form.Heraclides also seems to have had an interest in the occult. In particular he focused on explaining trances, visions and prophecies in terms of the retribution of the gods, and reincarnation.{{sfn|Porter|2000}}A quote of Heraclides, of particular significance to historians, is his statement that fourth century B.C. Rome was a Greek city.Heraclides Ponticus refers with much admiration that Pythagoras would remember having been Pirro and before Euphorbus and before some other mortal.Excerpt from a speech by the character ‘Heraclides’ in Protrepticus (Hutchinson and Johnson, 2015){{sfn|Hutchinson|Johnson|2015}}
So nothing divine or happy belongs to humans apart from just that one thing worth taking seriously, as much insight and intelligence as is in us, for, of what’s ours, this alone seems to be immortal, and this alone divine. And by being able to share in such a capacity, our way of life, although by nature miserable and difficult, is yet so gracefully managed that, in comparison with the other animals, a human seems to be a god. (p. 43)

Notes

{{reflist|20em}}

References

  • BOOK, Dorandi, Tiziano, Chapter 2: Chronology, Algra, Keimpe, etal, 1999, The Cambridge History of Hellenistic Philosophy, 48, Cambridge, Cambridge University Press, 9780521250283, harv,
  • BOOK, Davidson, Martin P., 2007, The Stars And The Mind, Fabri Press, 45, 1-4067-7147-3, harv,
  • JOURNAL, Eastwood, Bruce, 1992, Heraclides and Heliocentrism: Texts, Diagrams, and Interpretations, Journal for the History of Astronomy, 23, 233–260, harv, 1992JHA....23..233E,
  • BOOK, Gottschalk, H. B., 1980, Heraclides of Pontus, Clarendon Press, 2, 0-19-814021-5, harv,
  • BOOK, Guthrie, W. K. C., 1986, A History of Greek Philosophy: Volume 5, The Later Plato and the Academy (Later Plato & the Academy), Cambridge University Press, 470, 0-521-31102-0, harv,
  • BOOK, Heath, Thomas L., 1921, A History of Greek Mathematics: From Thales to Euclid, Oxford, Clarendon Press, 312, 316–317, harv,
  • WEB, Hutchinson, D. S., Johnson, Monte Ransome, 25 January 2015,weblink Protrepticus: New Reconstruction, includes Greek text, harv,
  • LOTEP, Heraclides, 92, harv,
  • ENCYCLOPAEDIA, Porter, Roy, 2000, 1st, Heraklides of Ponticus, The Hutchinson Dictionary of Scientific Biography, Hodder & Stoughton, 978-1859863046, harv,
  • BOOK, Simplicius, Simplicius of Cilicia, On Aristotle's, Physics 2, Barries, Fleet, Ithaca, Cornell University Press, 48, harv, {{full citation needed|date=March 2015|reason=date of publication}}

Further reading

  • Diogenes Laërtius trans. C.D. Yonge (1853) "Lives of Eminent Philosophers"
  • O. Voss (1896) De Heraclidis Pontici vita et scriptis
  • Wehrli, F. (1969) Herakleides Pontikos. Die Schule des Aristoteles vol. 7, 2nd edn. Basel.
  • Heraclides of Pontus. Texts and translations, edited by Eckart Schütrumpf; translators Peter Stork, Jan van Ophuijsen, and Susan Prince, New Brunswick, N.J., Transaction Publishers, 2008
  • Heraclides of Pontus. Discussion, edited by William W. Fortenbaugh, Elizabeth Pender, New Brunswick, N.J. : Transaction Publishers, 2009
  • Hans B. Gottschalk (1980) Heraclides of Pontus, New York, Oxford University Press
  • BOOK, Neugebauer, Otto, 1957, 1969, Otto E. Neugebauer, The Exact Sciences in Antiquity, 2, Dover Publications, 978-0-486-22332-2,
  • O. Neugebauer (1975) A History of Ancient Mathematical Astronomy

External links

  • {{MacTutor Biography|id=Heraclides}}
{{Greek astronomy}}{{Platonists}}{{Authority control}}

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