Name: Muhammad ibn Ahmad ibn Hamdan ibn Ali ibn Abdullah ibn Sinan

Fame: Muhammad ibn Abi Ja'far al-Nahwi

Kuniya: Abu Amr

Lineage: Nishapuri, Herati

Occupation: Imam, Quran reader, Grammarian

Rank: Trustworthy

Lived in: Ahwaz, Mosul, Nasa, Khwarazm, Nishapur, Tus, Rey

Born Year: 283

Died Year: 376

Abu Sa'd al-Sam'ani: One of the trustworthy and reliable

Abu 'Abd Allah al-Hakim al-Naysaburi: One of the Quran readers and diligent grammarians, with sound hearings and righteous principles

Al-Dhahabi: The Imam, the Hadith scholar, the trustworthy

Abd al-Hayy ibn al-'Imad al-Hanbali: The narrator of Khurasan, knowledgeable in Hadith

Muhammad ibn Tahir al-Qaysarani: He was a Shi'a