Imam Muhammad Al-Baqir (First of Rajab 57 AH (676 AD) – Seventh of Dhu al-Hijjah 114 AH (743 AD)) was the fifth Shi’a Imam. His father was Imam Ali ibn Hussain (fourth Shi’a Imam) and his mother was the daughter of Imam Hassan ibn Ali (second Shi’a Imam), and her name was Fatima bint Hassan ibn Ali. He is highly respected by Sunni Muslims for his religious knowledge and Islamic scholarship. Wikipedia
The definitive Wikipedia entry for Muhammad Al-Baqir. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Muhammad_al-Baqir