Little is known about the life of Khayyam, Omar Chayyām or Ghija ud-din Abu'l Fath Umar Ibn Ibrahim Ul-Khayyami (1048-1131). He was considered a great mathematician, astronomer, astrologer and philosopher who became famous for his scientific treatises in Arabic, but above all for the creation of a calendar that is in part even superior to the Gregorian calendar. This was officially introduced in 1079 and replaced the Arabic-Islamic lunar year with the Persian solar year. In Europe, it became known as Omar Khayyam due to its approximately 750 quatrains (Rubaiyat). He spent most of his life in Nishâpur, the largest city in ancient Persia (Iran), where he also died and was buried.
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Dr. Christa Hanten
Fachjournalistin, Lektorin und Verkosterin, Wien