Then we shall study their isnad (documentation) and chains...

Then we shall study their isnad (documentation) and chains of the transmission of the other narrations so as to draw a conclusion and to expose the opponents by concrete arguments and proofs. On this basis, we say: Bayhaqi has reported this narration in Al-Sunan Al-Kubra from Hakim Nishaburi, from Imam Baqir (a.s.), from his father Imam Sajjad (a.s.). The point is that Ahmad ibn Abdul Jabbar is also present in the chain of the transmission of the narration, and we shall now study his biography.

Ahmad ibn Abdul Jabbar as Seen by Biographers Some of the comments made by biographers concerning Ahmad ibn Abdul Jabbar are as follows:…