Born on 830
'Abd al-Hamid Ibn Turk was a well known mathematician of the early 9th century, probably contemporary to al-Khwarizmi.
Born on 923 Died on 1023
Abu Hayyan al-Tawhidi was a professional scribe, secretary, and courtier. Click here for more information.
Abul-Hasan al-Tabari was a 10th century Persian physician born in Tabaristan. He was a creative and innovative physician who avoided emulating treatments without investigating and examining them. Tabari was an encyclopedist and had a holistic view to medicine. Investigation of the views of this grea...
Born on 1184 Died on 1253
Al-Tifashi, Ahmad Bin Yousef (683 CE) was a geologist. One of his books on geology include, "Flowering Ideas on Gemstones" (Azhar Al-Afkar fi Jawahir Al-Ahjar). Although it is more than 200 years after the work of Al-Biruni, it is of lower scientific value. However, it is much superior both in class...