Qadi Al-Nu'man
Abu Hanifa al-Nu‘man ibn Muhammad ibn Mansur ibn Ahmad ibn Hayyun al-Tamimi, generally known as al-Qāḍī al-Nu‘mān also Qadi Noman (died 974 CE/ 363 AH) was an Isma'ili jurist and the official historian of the Fatimid caliphs.
Read more about Qadi Al-Nu'man: Biography, Books of His Authorship, Further Reading