Khwaja Nasir al-Din al-Tusi.
Shaykh Mahmud Abu Rayyah
Dr Sheikh Mansour Leghaei (born 1962) is the founder and a director of the Imam Husain Islamic Centre and the School of Islamic Theology in Earlwood, Australia, serving as the imam from 1997–2010. He previously served in Nigeria, where in 1992 he opened an Education Centre called Ahul Bayt.
Abū Jaʿfar Muḥammad ibn Yaʿqūb ibn Isḥāq al-Kulaynī ar-Rāzī (Persian: محمد بن یعقوب بن اسحاق کلینی رازی; Arabic: أَبُو جَعْفَر مُحَمَّد ٱبْن يَعْقُوب ٱبْن إِسْحَاق ٱلْكُلَيْنِيّ ٱلرَّازِيّ; c. 250 AH/864 CE – 329 AH/941 CE) was a Persian Shia hadith collector.