Sā‘id, the Toledan Tables, and Andalus? Science

Andalusian Astronomy in the Eleventh Century

“…6 He became known as a historian and the author of the Kitāb ṭabaqāt al-umam (Categories of Nations), a world history of science containing abundant details about the development of science in Al-Andalus between the ninth and eleventh centuries. 7 The Ṭabaqāt reveals the astronomical sources that were available in Toledo toward the middle of the eleventh century: Ṣāʽid knew the Greek classics, particularly Ptolemy's Almagest, Geography, and Tetrabiblos, as well as Theon of Alexandria's commentary on the Almagest and the Handy Tables. References are also made to Eastern Islamic sources of the ninth and tenth centuries, especially al-Khwārizmī, al-Ḥasan ibn al-Ṣabbāḥ, Thābit ibn Qurra, Abū Maʽshar, Ibn al-Ādamī, and al-Hamdānī.…”