Died on 869
Merv produced one of the earliest and greatest scientists of Islam Ahmad ibn 'Abdallah al-Marwazi (Marwazi means from Merv) best known as Habash al-Hasib (the calculator) who flourished in Bagdad and died a centenarian between 864 and 874. He was an astronomer under the Caliphs al-Mamun and al-Mutta...
Born on 1281 Died on 1349
Hamdollah Mostowfi was a Persian historian, geographer and epic poet. Mostowfi is the author of Nozhat ol-Gholub (نزهه القلوب), Zafar-Nameh (ظفرنامه), and the Tarikh e Gozideh (تاريخ گزيده). His tomb is a structure with a blue turquoise conical dome, at Qazvin.