Abū ʿAmr b. Nujayd, Ismāʿīl b. Nujayd b. Aḥmad b. Yūsuf b. Khālid al-Sulamī al-Nīsābūrī (272 or 273–365 or 366/885 or 886–976 or 977), a Khurāsānī Sufi and traditionist. He was from the tribe of Sulaym, which traces its origins back to Sulaym b. Manṣūr b. ʿIkrima (al-Samʿānī, 7/181; Ibn al-Athīr, 1/553–554). Few details are known about his life: he was apparently born in Nīsābūr in 272/885 (al-Samʿānī, 7/183; ʿAṭṭār, 727; al-Dhahabī, Siyar, 16/146), and he is said to have inherited a large fortune from his father. However, apart from a house that he kept for him-sel…