Ibn al-Qayyim

Ibn al-Qayyim was imprisoned with his teacher Ibn Taymiyyah in the Citadel of Cairo for their shared theological views. He remained loyal to Ibn Taymiyyah throughout the imprisonment, continuing to study and write.

Ibn al-Qayyim completed a comprehensive work on Islamic eschatology and the Prophet Muhammad's life, covering topics from death to the afterlife. The book became a standard reference for Sunni eschatology.

Ibn al-Qayyim was appointed as a judge in Damascus, where he implemented Hanbali jurisprudence. He was known for his strict rulings and his opposition to Sufi practices, following the teachings of Ibn Taymiyyah.

Ibn al-Qayyim compiled a treatise on prophetic medicine, combining hadith with Galenic medical theory. He recommended honey, black seed, and cupping as treatments, and criticized unorthodox medical practices.

Ibn al-Qayyim wrote a detailed treatise on the nature of the soul, its survival after death, and the intermediate state (barzakh). He argued for the soul's immortality and its ability to interact with the living.