Ibn al-Qayyim (751H)
Muhammad ibn Abi Bakr ibn Qayyim al-Jawziyyah (691-751H)
Al-Imam, ash-Sheykh, al-'Allamah, al-Faqih, al-Usuli, al-Mufassir, an-Nahwi, al-'Arif.
The greatest pupil of Ibn Taymiyyah, for about twenty years until his death, he was also the Sheykh of Ibn Kathir, Ibn Rajab, as-Safadi, Ibn Abdel-Hadi and other great Imams. A Hanbali scholar.