Ishaq bin Ibrahim bin Makhlad bin Rahwayh Abu Ya'qub al-Hanzali al-Marwazi (Arabic: إسحاق بن إبراهيم بن مخلد بن راهويه أبو يعقوب الهَنْظَليّ المَرْوَزِيّ, 777-778 - 855 CE) commonly known as Ishaq ibn Rahwayh (romanizated: Ishāq ibn Rāhawayh) was a Sunni Muslim scholar, jurist, muhaddith, exegete, and theologian. A close friend of Ahmad ibn Hanbal, he accompanied him on his travels to seek knowledge, and he was also a teacher of Bukhari and inspired him to compile the Sahih al-Bukhari. Among his only surviving work is al-Musnad, a hadith collection arranged by Companion narrators.
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