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• Ǧaʻfar al-Ṣādiq

He is revered as an imām by the adherents of Shi'a Islam and as a renowned Islamic scholar and personality by Sunni Muslims. The Shi'a Muslims consider him to be the sixth Imām or leader and spiritual successor to Muḥammad and holde his Imamate for almost 30 years, longer than any other Shia imam. He is also revered by the Naqshbandi Sunni Sufi chain. He was a polymath: an astronomer, exeget, jurist, theologian, philosopher, physician, physicist and scientist. According to the sources he died poisoned on the order of al-Manṣūr.