Nur al-Din `Ali ibn Abi Bakr ibn Sulayman, Abu al-Hasan al-Haythami (Arabic: نور الدين الهيثمي, commonly known as Nur al-Din al-Haythami[2] was a famous Sunni Egyptian scholar and an eminent Hadith expert who wrote lengthy works on hadith sciences.
The only teacher under whom Al-Haythami read, without being attended by Al-Iraqi, was Ibn Abd Al-Hadi, from whom he heard the Sahih collection of Imam Muslim.
He trained him in a particular area of Hadith scholarship and Al-Haythami was to achieve distinction in this field and to produce highly valuable works in it.
Ibn Hajar al-Asqalani describes him as: "Very kind, highly critical of anyone indulging in a practice that is unacceptable to Islam, yet he was extremely tolerant when it came to personal grievances.
"[5] Taqi al-Din al-Fasi said: “ He was a great hafiz of texts and narrations.”[5] Al-Aqfahsi said: “ He was a scholarly imam, memorizer, ascetic, humble, sympathetic to people, of worship and piety.”[5] Al-Sakhawi said : “ It was a wonder in religion, piety, asceticism, interest in knowledge, worship, rituals, serving the sheikh, not mixing with people in any matter, and love in hadith and its people.” [5] Al-Haythami was prolific in hadith, and among the books he wrote:[6]