Born on 810 Died on 887
Abbas ibn Firnas was a Muslim Berber-Andalusian polymath: an inventor, physician, engineer, Andalusian musician, and Arabic-language poet.
Abd al-Rahman al-Shafi'i wrote a handbook for the use of Police Officers in charge of markets enabling them for instance to verify weights and measures and to test the genuineness of wares. For more detail click here.
Born on 1092 Died on 1167
Jewish Andalusian astronomer, born in Tudela, Emirate of Saragossa in 1092/93. He was a poet, grammarian, traveller, philosopher, and astronomer. He left his native land of Andalus before 1140 and travelled throughout Europe. His travels took him to North Africa, Egypt, Palestine, Italy, France, and...
Abū al-Faḍl Jaʻfar ibn ʻAlī al-Dimashqī was a prosperous Muslim merchant from Damascus. He is best known for being the author of Kitab al-Isharah ila Mahasin at-Tijarah wa Marifat Jayyid al-A’rad wa Kadiiha wa Ghush-ush al-Mudallisin fiha (A Guide to the Merits of Commerce and to Recognition of Both...