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List of works by author Ptolemaios (Ptolemy, Ptolemäus)

Claudius Ptolemy

Claudius Ptolemy (Latin Claudius Ptolemaeus; around 100, possibly in Ptolemais Hermeiou, Egypt - after 160, probably in Alexandria) was a Greek mathematician, geographer, astronomer, astrologer, music theorist and philosopher. He lived in Alexandria in the Roman province of Egypt. His three works on astronomy, geography and astrology in particular were regarded as standard scientific works and important collections of data in Europe until the early modern period. Ptolemy is the most important representative of the geocentric view of the world.

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