Abà « al-ÿAbbÃÂs Aḥmad ibn ÿAlë ibn al-ÿAbbas ibn Muḥammad ibn ÿAbdullÃÂh al-NajÃÂshë al-Asadë (; âÂÂ1058), often simply referred to as al-NajÃÂshë, was a Twelver Shi'ite Muslim scholar mainly known for his work on the subject of biographical evaluation (, Islamic science dealing with the reliability of hadith transmitters), called the . His family is descended from Abu Samal ibn Hubayra al-Asadi (d. 60 AH / 679 CE), a poet of the Ridda Wars who repented and fought in the Battle of al-Qadisiyyah in 636, during the Muslim conquest of Persia. His ancestor was Abdullah al-Najashi, the wÃÂli of al-Ahwaz at the time of Abu Ja'far al-Mansur (754âÂÂ775), who was an "adamant RÃÂfiá¸Âi" according to Basran historian Abu al-Yakzan (d. 805). Abdullah is also known for his correspondence of inquiry with Ja'far al-Sadiq. His son, Muhammad ibn Abdullah, was also the governor of Istakhr in Iran.