Abu Abdullah Ahmad ibn Muhammad ibn Hanbal ash-Shaybani

Ahmad ibn Hanbal was born in Baghdad in 780 CE (164 AH) into a family of Arab descent from the Shaybani tribe. Orphaned young, he was raised by his mother under modest circumstances. He began his pursuit of hadith scholarship as a teenager, traveling extensively throughout the Islamic world — to মক্কা মুকাররমা, মদীনা মুনাওয়ারা, Yemen, Syria, and elsewhere — to collect hadiths directly from the greatest scholars of his era. He studied under Imam ash-Shafi'i, among many others, and eventually became one of the most knowledgeable hadith scholars alive.

His greatest trial came during the Mihna (Inquisition) initiated by the Abbasid caliph al-Ma'mun, who attempted to impose the Mutazilite theological position that আল-কুরআন was created rather than the eternal, uncreated word of Allah. While many scholars capitulated under pressure, Ahmad refused to recant, enduring imprisonment and physical torture for approximately two years under al-Ma'mun's successor al-Mu'tasim. His steadfastness became legendary and earned him the title 'Imam of Ahl as-Sunnah' (Leader of the People of the Sunnah). His refusal to compromise on matters of creed under political pressure established a model of scholarly integrity that inspires Muslims to this day.

His Musnad, a collection of over 28,000 hadiths arranged by narrator rather than topic, is one of the largest and most important hadith compilations in Islam. His jurisprudential methodology emphasized the primacy of কুরআন and Sunnah, giving preference to hadith evidence over analogical reasoning (qiyas) — a distinctive feature of the Hanbali school that influenced all subsequent Islamic legal thought. He passed away in Baghdad in 855 CE (241 AH), and his funeral was attended by an estimated 800,000 people, one of the largest funeral gatherings in recorded history.