Muḥammad al-Bāqir (Arabic: محمد الباقر ‎) (676–733 AD), (also called abu Ja'far) (known as al-Baqir (the one who splits open knowledge)) (full name Muhammad bin 'Ali bin al-Husayn bin Ali bin Abi Talib) was the fifth Shiite imam, succeeding his father Zayn al-Abidin and succeeded by his son Ja'far al-Sadiq. He was the first imam descended from both grandsons of Prophet Muhammad, i.e. Imam Hasan ibn Ali and Imam Husayn ibn Ali. Many traditions and abundant wisdom were reported on his authority.