Al-Khalifa Al-Nisaburi

Khalifa Naysaburi, wanda aka fi sani da Ibn al-Bayyi', ya kasance masani a ilimin hadisi da tafsiri a Nishapur. Ya yi aiki tukuru wajen tattara da sharhin hadisai, wanda ya sa ake darajarsa a tsakanin malamai. Daga cikin ayyukansa, daya daga cikin shahararrun littafinsa shine 'Al-Madkhal ila ‘ilm al-Hadith'. Khalifa Naysaburi ya taka muhimmiyar rawa wajen bincike da ci gaban ilimin hadisai ta hanyar kwarewar sa wajen tunkarar litattafan tarihin hadisai da tafsirinsu.