Jamāl al-Dīn Abū Muḥammad ʿAbd al-Raḥīm ibn al-Ḥasan al-Umawī al-Qurashī al-Isnawī al-Shāfiʿī al-Miṣrī, commonly known as Jamal al-Din al-Isnawi, was a Sunni Egyptian scholar who specialized in the Shafi'i school of jurisprudence, legal theory, Qu'ran exegesis, and Arabic grammar. Wikipedia