Claudius Ptolemy

The astronomer Claudius Ptolemy lived from roughly 100-170 CE. Little or no is understood of him, together with the place he was born. Claudius means citizen of Rome, whereas Ptolemy means resident of Egypt. Some sources point out that he was a citizen of Rome, others that he lived in Alexandria, Egypt.
He was additionally a mathematician, geographer and astrologer. In a manner, he was to his period what Leonardo da Vinci was to the Renaissance. Whereas a lot of Claudius Ptolemy’s work has been refuted, his treatises on astronomy, astrology, geography and music have been the foundations from which subsequent scientists constructed their theories.
The Ptolemaic system of the universe turned the dominant cosmological mannequin for hundreds of years thereafter, and was not displaced till the seventeenth century by Kepler and Copernicus.
Fashionable astrologers contemplate Ptolemy because the creator of one of many oldest full manuals of astrology, – the Tetrabiblos (Greek) that means 4 Books. Though we all know Ptolemy didn’t invent his strategies of astrology we acknowledge his contribution as being one among orchestrating the mass of Japanese star lore into an organized and reasoned exposition. The Tetrabiblos provided an in depth rationalization of the philosophical framework of astrology, enabling its practitioners to reply critics on scientific in addition to non secular grounds.
As a number one mental of his day, Ptolemy’s patronage and approval of astrology added to its tutorial respectability. By preserving its credibility as a science in addition to an artwork, he safeguarded its apply through the medieval interval when many different occult research have been persecuted on non secular grounds. He spoke of astrology with authority and lucidity, establishing the Tetrabiblos because the definitive reference for astrological college students. It was used extensively by Arabic students, who regarded Ptolemy as the ultimate phrase on the topic, and later by European ones when it was translated again into Latin within the 12th century.