Ptolemy
Channel: Ananas Science
Date: 26/02/2017

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Claudius Ptolemy (''Klaúdios Ptolemaîos'') was a Greekwriter, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in the city of Alexandria in the Roman province of Egypt, wrote in Koine Greek, and held Roman citizenship. Beyond that, few reliable details of his life are known. His birthplace has been given as Ptolemais Hermiou in the Thebaid in an uncorroborated statement by the 14th-century astronomer Theodore Meliteniotes. This is a very late attestation, however, and there is no other reason to suppose that he ever lived elsewhere than Alexandria,where he died around AD168.

TABLE OF CONTENTS:
0.  Introduction (00:00:00)
1.  Background (00:01:23)
2.  Astronomy (00:04:00)
3.  The ''Geography'' (00:06:44)
4.  Astrology (00:12:10)
5.  Music (00:15:34)
6.  Optics (00:16:59)

Source: https://en.wikipedia.org/wiki/Ptolemy
Date: 02/25/2017

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