Without a doubt, the greatest of all scholars to come from Merv was al-Khazini. Abderahman al-Khazini flourished ca. 1115-ca 1130 at Merv. He was a slave boy to whom his master gave the best education in mathematical and philosophical subjects. He became a mathematical practitioner under the patronage of the Seljuk court.
Abu al-Fath Abd al-Rahman Mansour al-Khāzini
أبو الفتح الخازني