Shah Waliullah Dehlawi

Ahmad ibn Abdurrahim Shah Waliullah ad-Dehlawi (1703-1762 CE / 1114-1176 AH) was the most influential Islamic scholar of the Indian subcontinent, born in Delhi into a family of scholars. His father, Shah Abdurrahim, founded the Madrasa Rahimiyyah in Delhi, where Waliullah received his early education. He later traveled to the Hijaz for Hajj and spent fourteen months studying hadith in Medina under Shaykh Abu Tahir al-Kurdi al-Madani.

Shah Waliullah was a polymath whose contributions spanned hadith, fiqh, theology, philosophy, economics, and political thought. His Hujjat Allah al-Balighah (The Conclusive Argument from Allah) is his masterwork, presenting a comprehensive philosophy of Islamic law that explains the wisdom and rationale behind the Shariah's rulings. He translated the Quran into Persian (the scholarly lingua franca of Mughal India), making it directly accessible to educated Muslims of the subcontinent for the first time. His al-Fawz al-Kabir fi Usul at-Tafsir addresses principles of Quranic interpretation, while al-Insaf fi Bayan Sabab al-Ikhtilaf discusses the causes of juristic differences among the schools.

Shah Waliullah sought to unite the Muslim ummah by bridging the gaps between the four madhabs and reconciling different theological positions. He advocated for ijtihad while respecting the established schools and emphasized the study of hadith alongside fiqh. His scholarly lineage through his sons Shah Abdul-Aziz, Shah Rafi ud-Din, and Shah Abdul-Qadir, and through later students, profoundly shaped the intellectual landscape of South Asian Islam, giving rise to several major Islamic movements and institutions.