Mokrane Guezzou: Mokrane Guezzou is the author of Shaykh al-Hashimi: His Life and Works, and the well-known translator of over ten works including Qur'an commentary Wahidi's Asbab al-Nuzul and al-Buzaydi's The Adab of the True Seeker. He lives in Jordan.
Ibn Daqiq al-'Id: Ibn Daqiq al-'Id (d.1302), is accounted as one of Islam's great scholars in the fundamentals of Islamic law and belief, and was an authority in the Shafi'i legal school.
Imam Nawawi: Imam Nawawi (1233-77), the author of the hadith selection, was an authority in the Shafi'i legal school, hadith master, biographer, lexicologist and Sufi.