Ṣadr ad-Dīn Muḥammad Shīrāzī, more commonly known as Mullā Ṣadrā (Persian: ملا صدرا; Arabic: صدر المتألهین; c. 1571/2 – c. 1635/40 CE / 980 – 1050 AH), was a Persian Twelver Shi'i Islamic mystic, philosopher, theologian, and ‘Ālim who led the Iranian cultural renaissance in the 17th century.

Abu Mansur Ahmad Ibn Ali Ibn Abi-Talib At-Tabarsi or At-Tabrisi lived in the 6th/12th century and died in 588 AH.