Scholars A-Z

Died on 1295
Hasan al-Rammah was a thirteenth century military engineer (d. 1294-1295 CE) who, described in his book al-furusiyya wa al-manasib al-harbiyya (The Book of, Military Horsemanship and Ingenious War Devices) the first process for the purification of potassium nitrate.
Hezârfen Ahmed Çelebi was a legendary Ottoman of 17th-century Istanbul, purported to have achieved sustained unpowered flight. Click here for more information.
Lagâri Hasan Çelebi was an Ottoman aviator. According to Evliya Çelebi the voyager, he made a successful manned rocket flight.
Muhamad B. Ali Rustum Al-Khurasani was an engineer, who between 1146 and 1169, constructed the clock placed at the Bab Jairun (often called the bab as'aa, (door of the clock) of the Umayyad Mosque in Damascus, which had been burnt down in 1166-7. This clock was seen and described by travellers such...