787-886 Arab astrologer, also known as Albumasar or Albumazar, who influenced Western thinking on cosmology during the Middle Ages. In his Introductorium in astronomiam and De magnis coniunctionibus, he maintained that the world was created when the...

Ja'far ibn Muḥammad Abū Ma'shar al-Balkhī (10 August 787 in Balkh, Afghanistan – 9 March 886 in al-Wasit, Iraq), also known as al-Falaki or Albumasar was a Persian (Tājīk) mathematician, astronomer, astrologer and Islamic philosopher. Many...

In 1969 Paul Forand published in this journal the results of his reading of Yazid ibn Muhammad al-Azdi's Ta'rikh al-Mawsil, which was at this point only available to him on a film of the Chester Beatty manuscript. (1) Although chiefly interested in reconstructing...