Al-Qasim ibn Musa al-Ashib

Abu Muhammad Ashyab Baghdadi ya kasance masanin hadisai da malamin Islama daga Baghdad. Ya shahara wajen tattara da koyar da Hadisai, inda ya taimaka wajen raya fahimta da kiyaye hadisai a tsakanin al'ummah. Abu Muhammad ya yi hulɗa da malamai da dama kuma ya taka muhimmiyar rawa wajen ilmantarwa da fadada ilimin Hadisai tsakanin dalibai da sauran masu neman sani. Ya kuma rubuta littattafai da dama akan Hadisai wadanda suka taimaka wajen fahimtar addinin Islama.