1-Al-Kulayni Family.2-Time and Place Birth.3-Names and Titles.4-Learning Hadiths and Moving to Qom.5-Going to Baghdad.6-Personality and Scientific Position.6.1-In the View of Great Shia Personalities.6.2-In the Views of Sunni Scholars.7-Works.8-Teachers.9-Students and Transmitters of Hadiths.10-Demise and Burial Place.11-Notes.12-References.