Ahmad ibn Abi al-Ash’ath, a famous physician from Mosul, Iraq, described the physiology of the stomach in a live lion in his book al-Quadi wa al-muqtadi, Ahmad ibn Abi al-Ash’ath observed the physiology of the stomach in a live lion in 959. This description preceded William Beaumont by almost 900 ye...
Ahmad ibn Fadlan was a writer and traveler. He was sent as the secretary to an ambassador from the Abbasid Caliph al-Muqtadir from Baghdad to the Volga Bulgars by the Black Sea and the Caspian.
Born on 1421
Ahmad ibn Majid navigator and writer. Ibn Majid, whose full name was Shihab al-Din Ahmad ibn Majid al-Najid, was born at Julfar, in modern Oman, in the mid-1430s. Click here for more information.