Badr al-Din al-Ayni
Abū Muḥammad Maḥmūd ibn Aḥmad ibn Mūsā Badr al-Dīn al-ʿAynī, often quoted simply as al-'Ayni (Arabic: بدر الدين العيني, romanized: Badr al-ʿAynī; born 762 AH/1360 CE, died 855 AH/1453 CE)[4][5] was a Sunni Islamic scholar of the Hanafi madh'hab and the Shadhili tariqa.[6] Al-'Ayni is an abbreviation for al-'Ayntābi, referring to his native city. He was an eminent scholar regarded as one of the most influential Hanafi jurist and hadith scholar of his time.[7]