[6][7] He was a prolific writer and well-versed in numerous Islamic fields such as fiqh (reaching the level of Ijtihad) as well as in the sciences of astronomy, medicine, history and other disciplines.
[13][14] His most famous students became leading scholars of their time:[12] Ibn Faisal died in Bust on a Friday night, eight days before the end of the month of Shawwal in 354 AH.
"[16] One of his enemies, al-Sulaymani (d. 404/1014) claimed that Ibn Hibban owed his appointment to Samanid vizier Abu al-Tayyib al-Mu'sabi for whom he wrote a refutation of the Karmatis.
[2] Most of his works have however perished even though he made an effort to preserve them by leaving his house and library in Nishapur as a Waqf for the transmission of his books.
[2] His Tarikh al-Thikat, a work of Ilm al-Rijal, was utilised by hadith critics such as al-Dhahabi, Ibn Hajar al-Asqalani etc.