Abu Bakr al-Razi al-Jassas

Abu Bakr al-Razi al-Jassas (305–370 AH / 917–981 CE) was a Hanafi jurist and legal theorist based in Baghdad, recognized as the leading Hanafi authority of his era and best known for his legal exegesis Ahkam al-Quran al-Jawahir al-Mudiya fi T…+1.

Early Life and Education

Ahmad ibn Ali, Abu Bakr al-Razi, was born in 305 AH (917 CE) Taj al-Tarajim fi Tabaqat…+1. His title al-Jassas was an occupational sobriquet referencing work with plaster (jiss) al-Fawaid al-Bahiya fi Ta…+1. While some later copyists mistakenly treated "al-Razi" and "al-Jassas" as two separate figures, biographical authorities noted that both appellations designate the same individual al-Jawahir al-Mudiya fi T…+1.

He arrived in Baghdad in 325 AH during his youth to pursue legal training under the leading Hanafi jurist Abu al-Hasan al-Karkhi and also studied under Abu Sahl al-Zajjaji Kataib Alam al-Akhyar min…+1. He traveled to Ahvaz and subsequently to Nishapur alongside al-Hakim al-Nisaburi upon the advice of al-Karkhi al-Jawahir al-Mudiya fi T…+1. Al-Karkhi died while al-Jassas was still in Nishapur, after which al-Jassas returned to Baghdad in 344 AH al-Jawahir al-Mudiya fi T…+1. Beyond Hanafi jurisprudence, he transmitted hadith from scholars across several regions, including Abu al-Abbas al-Asamm in Nishapur, al-Tabarani and Abd Allah ibn Ja'far ibn Faris in Isfahan, as well as Abd al-Baqi ibn Qani' and Da'laj ibn Ahmad in Baghdad Majallat al-Buhuth al-Isl…+1.

Career, Teaching, and Refusal of Office

Upon returning to Baghdad in 344 AH, al-Jassas assumed the teaching circle at al-Karkhi's mosque, later moving to Suwayqat Ghalib, and eventually settled in 360 AH at the mosque of Darb Abdah, where earlier Hanafi authorities had taught Akhbar Abi Hanifa wa Asha…. Leadership (riyasa) of the Hanafi school in Baghdad passed to him, and students traveled widely to study under him al-Jawahir al-Mudiya fi T…+1. Among his prominent students were Abu Bakr Ahmad ibn Musa al-Khwarazmi, Muhammad ibn Yahya al-Jurjani (the principal teacher of al-Quduri), Abu al-Husayn Muhammad ibn Ahmad al-Za'farani, Abu Ja'far Muhammad ibn Ahmad al-Nasafi, and Abu al-Husayn Muhammad ibn Ahmad al-Kummari Kataib Alam al-Akhyar min…+1.

During the caliphate of al-Muti', the Maliki jurist Abu Bakr al-Abhari was approached to assume the post of chief judge (qadi al-qudat) but declined and recommended al-Jassas for the office Mirat al-Zaman fi Tawarik…+1. When the caliphal intermediary presented the offer to al-Jassas, he consulted al-Abhari in private; al-Abhari advised him not to take it to safeguard his religious devotion Tarikh Baghdad+1. Al-Jassas consistently refused the judgeship despite repeated overtures al-Jawahir al-Mudiya fi T…+1.

Scholarly Standing and Creed

Al-Jassas was praised by biographers for rigorous piety, scrupulousness (wara'), and asceticism Taj al-Tarajim fi Tabaqat…+1. In legal methodology, he established foundational principles of the school in al-Fusul fi al-Usul, integrating Hanafi substantive law with legal theory, while his Sharh Mukhtasar al-Tahawi served as a major analytical commentary detailing textual proofs and deductive reasoning al-Masa'il al-Fiqhiyya al…+1.

Regarding theological positions, al-Dhahabi noted that it was said al-Jassas inclined toward Mu'tazilism, citing passages in his writings touching upon matters such as the beatific vision of God (ru'yat Allah) Majallat al-Buhuth al-Isl…+1.

Death

Al-Jassas died in Baghdad on Sunday, 7 Dhu al-Hijjah 370 AH (c. 981 CE), at the age of sixty-five Taj al-Tarajim fi Tabaqat…+1. His funeral prayer was led by his student Abu Bakr al-Khwarazmi Kataib Alam al-Akhyar min….