|Ibn Zeyd ibn Muhammad Evesi Khāzimi Bayhaqi Shāfe'ī|
|Born||385 A.H/ 995 A.D.|
|Died||469-470 A.H/ 1077 A.D. (aged 84-85 lunar calendar)|
|Region||Khorasan and Ghazna|
|Notable work(s)||Tārīkh-e Mas'oudī|
Bayhaqi was born in the village Haares-Abad of Bayhaq in Khorasan Province near Sabzevar. He studied various sciences in Neishabur city, and then he was employed as a clerk in the secretariat of Sultan Mahmud. Abolfazl could show his efficiency there.
In 1039 his master and chief Abu Nasr Mushkan passed and a few years later King Abd al-Rashid elected him as the chief of the Royal Secretariat.
After the retirement in 1058, Bayhaqi started the editing of his daily notes and historical data and published them in a book, named it "Tarikh-e Baihaqi".
In his book he has a famous chapter about the execution of Hasanak the Vizier.
- E.G. Browne. Literary History of Persia. (Four volumes, 2,256 pages, and twenty-five years in the writing). 1998. ISBN 0-7007-0406-X
- Jan Rypka, History of Iranian Literature. Reidel Publishing Company. ASIN B-000-6BXVT-K