Abu Sa'ad al-Mutawalli al-Naysaburi

Mutawalli Naysaburi ya kasance masani ne a fanin ilimin hadisin Manzon Allah SAW. An san shi saboda yadda ya tattara da tsara hadisai cikin tsanaki da kuma basira. Ya shahara musamman a kan littafinsa mai suna 'Al-Ilal', wanda ya kunshi bayanai masu zurfi game da dalilan da ke bayan raunin wasu hadisai. Wannan aiki yana daya daga cikin gudummawar da ya bayar wajen fahimtar inganci da raunin hadisai daban-daban, wanda ya taimaka wajen fahimtar addinin Musulunci da kyau.