Diodorus of Alexandria

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For other people named Diodorus, see Diodorus (disambiguation).

Diodorus of Alexandria or Diodorus Alexandrinus was a gnomonicist, astronomer [1] and a pupil of Posidonius.[2][3][4]

Writings[]

He wrote the first discourse on the principles of the sundial, known as Analemma.[5] a commentary on this having later been written by Pappus of Alexandria,[6] that is no longer extant.[7] A small number of sentences having survived the centuries and attributed to him are known; these comment on:the differences (for the purpose of defining) between astronomy and natural science (physiologia[8]) the word meanings for cosmos and star, the nature of (the things being) stars and Γαλαξίαςor[9] [Galaxias [10] kuklos,[11][12][13] (those things which are altogether stars are called today the Milky Way)]. He was known to Eudoros. In his dealings with astronomy he was known to Marinus in his commentary on Euclid's Data containing quotes of Diodorus's opinions on the meaning of a term.[14]

See also[]

References[]

  1. ^ Diodorus of Alexandria." Complete Dictionary of Scientific Biography. 2008. Encyclopedia.com. 4 Dec. 2011 <http://www.encyclopedia.com>. [Retrieved 2011-09-15]
  2. ^ Aristarchus of Samos and Sir Thomas Little Heath ...the ancient Copernicus; a history of Greek astronomy to Aristarchus, together with Aristarchus's Treatise on the sizes and distances of the sun and moon: a new Greek text with translation and notes (1913) archive.org [Retrieved 2011-09-15]
  3. ^ John Antonakos amazon.com website page 92 of Noted Greeks of Antiquity [Retrieved 2011-09-15] ISBN 1-4033-2565-0
  4. ^ thefreedictionary.com
  5. ^ encyclopedia.com retrieved 15/09/2011
  6. ^ Thomas Heath (1981). A History of Greek Mathematics: From Aristarchus to Diophantus. Courier Corporation. p. 287. ISBN 978-0-486-24074-9.
  7. ^ Heike Sefrin-Weis (2010). Pappus of Alexandria: Book 4 of the Collection: Edited With Translation and Commentary by Heike Sefrin-Weis. Springer Science & Business Media. p. 15. ISBN 978-1-84996-005-2.
  8. ^ © 2001–2011 Douglas Harper etymonline.com Retrieved 2011-09-15
  9. ^ Kosmas Milt Markatos (2010) hellenes-markatos.gr website (referencing definition of greek) Retrieved 2011-09-15
  10. ^ oxforddictionaries.com Retrieved 2011-09-15
  11. ^ kalos-software.com Archived 2011-08-04 at the Wayback Machine Retrieved 2011-09-15
  12. ^ pritchardschool.com website Retrieved 2011-09-15
  13. ^ Prof. Richard Pogge kuklos reference Retrieved 2011-09-15
  14. ^ O. Neugebauer (2004). A History of Ancient Mathematical Astronomy. Vol. 2. Springer Science & Business Media. p. 840. ISBN 978-3-540-06995-9.
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