Sahl ibn Bishr
Sahl ibn Bishr, Sahl ibn Bishr al - also Tabaristani, Sahl ben Bishr, even Sahl al -Tabari, al -Tabari also Rabban ( Rabbi from Tabaristan ), first name also Saul, also known as Zahel or Zael, (first half of the 9th century ) was a Jewish astrologer, astronomer, physician, and mathematician of Persian origin from Tabaristan, who worked in Baghdad. He was the father of the famous scientist and physician Ali ibn Sahl Rabban al -Tabari ( Ali bin al -Tabari Radha ), who converted to Islam. He is the author of some of the early Middle Ages important astrological treatises, which were in Greek astrological tradition (such as Dorotheus of Sidon ).
After Viktor Stegemann, he was a staff member of al -Hasan, the sight of the Caliph al - Ma'mun in Khorasan and lived around 785 to possibly 845
In particular, his book On elections in the Middle Ages and the Renaissance very popular and influential. It deals with the astrological topic, at the appropriate time for scheduled actions is.
He was also the author of a book on algebra.
Sahl ibn Bishr said to have translated the first the Almagest of Ptolemy into Arabic ..
Works
His astrological works consist of five books in at least 50 manuscripts and seven print editions from 1484 to 1551. The translator is unknown in the Latin translation, the translations existed but in the 12th century.
- Introductorium (Introduction)
- Quinquaginga Precepta ( Fifty laws)
- De Interrogationibus ( About Questions )
- Liber temporum ( book about times )
After Viktor Stegemann the translators are unknown, but he suspects one of the well-known translator of the 12th century, Hermann of Carinthia, Plato of Tivoli, John Hispalensis. Benjamin Dykes speaks from the style according to John Hispalensis, who is also a professional translator of Arabic texts on astrology had a name.
A sixth book on astrology that Fatidica ( prophecies ), in a translation by Hermann of Carinthia from 1138 obtained ( manuscript in the Cambridge University Library).
Some of his books have been handed in Arabic, including:
- Ahkam fi al - Nujum ( The laws of astrology)
- Kitab al - ikhtiyarat ' ala al - Buyut al - ithnai ' ashar ( The Book of the elections, the twelve houses ( Zodiac) accordingly)
- Al - Masa'il al - Nujumiyah ( The Astrological problems )