= al-Adab al-ʿArabī (Brockelmann), vol. 3, p. 206; Tārīkh al-Turāth al-ʿArabī (Seskin), ʿUlūm al-Qurʾān wa al-Ḥadīth, vol. 1, pt. 1, pp. 380–381. (1) He is Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh ibn Ḥamdawiyya ibn Nuʿaym, known as al-Ḥākim al-Naysābūrī, a leading authority in ḥadīth and the foremost muḥaddith of his time. Born in Nishapur in 321 AH and died there in 405 AH, he authored numerous works, among them al-Ṣaḥīḥ, commonly called al-Mustadrak ʿalā al-Ṣaḥīḥayn, printed in Hyderabad in 1334 AH. In it he included ḥadīths on the divine attributes; see vol. 1, p. 26 (Kitāb al-Īmān), vol. 2, p. 89 (Kitāb al-Jihād), vol. 4, p. 582 (Kitāb al-Aḥwāl). See also Tārīkh Baghdād (al-Baghdādī), vol. 5, pp. 473–474; Wafayāt al-Aʿyān (Ibn Khallikān), vol. 4, pp. 280–281; Tadhkirat al-Ḥuffāẓ (al-Dhahabī), vol. 3, pp. 1039–1045; Lisān al-Mīzān (Ibn Ḥajar), vol. 5, pp. 232–233; al-Risālah al-Mustaṭrafah (al-Kattānī), p. 17; al-Adab al-ʿArabī (Brockelmann), vol. 3, pp. 215–216; Tārīkh al-Turāth al-ʿArabī (Seskin), ʿUlūm al-Qurʾān wa al-Ḥadīth, vol. 1, pt. 1, pp. 454–455. (2) He is Abū Bakr Aḥmad ibn Ibrāhīm ibn Ismāʿīl ibn al-ʿAbbās al-Ismāʿīlī al-Jurjānī, unanimously regarded by his contemporaries as one of the foremost muḥaddithīn of his era. Born in 277 AH and died in 371 AH. Ibn al-Jawzī states in al-Muntaẓam, vol. 7, p. 108: “Al-Ismāʿīlī possessed abundant knowledge of transmission and composed a commentary on Ṣaḥīḥ al-Bukhārī.” Ibn Kathīr writes in al-Bidāyah wa al-Nihāyah, vol. 11, p. 334: “He authored a work of great benefit, excelling in both critical analysis and creed; he composed a book on Ṣaḥīḥ al-Bukhārī replete with numerous benefits and extensive knowledge.” Neither Brockelmann nor Seskin includes this Ṣaḥīḥ among al-Ismāʿīlī’s works; it appears only in al-Muʿjam fī al-Asmāʾ, ed. Ziyād Muḥammad Manṣūr (PhD diss., Islamic University of Madīnah), where the editor comments on Ṣaḥīḥ al-Ismāʿīlī, p. 187 (study section): “Scholars differ in its title: some call it al-Ṣaḥīḥ; others al-Mustakhraj ʿalā al-Ṣaḥīḥayn; others al-Ṣaḥīḥ ʿalā Sharṭ al-Bukhārī; others al-Mustakhraj ʿalā al-Ṣaḥīḥ. However, the most precise and correct title is =”