Ibn Rajab (795H)

Zayn al-Dīn ʿAbd al-Raḥmān ibn Aḥmad ibn Rajab al-Ḥanbalī (736–795 AH)

A noted Hanbali scholar and hadith expert, recognized for his works on Islamic ethics and spirituality, including Jāmiʿ al-ʿUlūm wa al-Ḥikam, a commentary on forty hadiths.