Abu Yusuf

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Muslim Jurist Islamic Golden Age
Name	Imam Abu Yusuf
Birth
Death	798
School/tradition	Sunni Hanafi
Main interests	Islamic Jurisprudence
Notable ideas	Evolution of Islamic Jurisprudence
Influenced by	Abu Hanifa

Yaqub ibn Ibrahim al-Ansari, better known as Abu Yusuf (Arabic:أبو يوسف) (d.798) was a student of legist Abu Hanifah (d.767) who helped spread the influence of the Hanafi school of Islamic law through his writings and the government positions he held.

1 Biography
2 Works
3 See also
4 References

[edit] Biography

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He was appointed Qadi (judge) in Baghdad, Iraq, and later chief justice (qadi al-qudat) under Abbasid caliph Harun al-Rashid (r.786-809) with authority to appoint judges in the empire. Some of his opinions differ from those of Abu Hanifah, probably on the basis of traditions not available to the earlier scholar.

[edit] Works

His most famous work is Kitab al-Kharaj^[1]

Kitab al-Kharaj is a treatise on taxation and fiscal problems of the state prepared for the caliph. ^[1]
Usul al-fiqh - the earliest known work of principles of Islamic jurisprudence. A portion of his works were devoted to international law.^[1]
Kitab al-Athar, a collection of traditions (ahadith) he narrated
Kitab Ikhtilaf Abi Hanifa wa Ibn Abi Layla, one of the early works on comparative Fiqh
Kitab al-Radd ‘Ala Siyar al-Awza’i, a refutation of the famous Syrian jurist and tradition, al-Awza’i on the law of war.