Aboo ‘Aasim was born in 122H – and his mother was twelve years old at the time!
Those who he narrated from include: Imaam Maalik, Sufyaan amongst others.
Those who narrate from him include: Imaam Bukhaaree (And Aboo ‘Aasim was the most senior and most excellent of his shaykhs), Ishaaq Ibn raahawaih, ‘Alee Ibn Al-Madeenee, Imam Ahmad, Adh-Dhuhlee, amongst others.
Imaam Bukhaaree said:
“I heard Aboo ‘Aasim say, ‘Since I have known backbiting to be forbidden, I have never backbitten anyone.’ “
Aboo ‘Aasim said:
“Whoever seeks hadeeth has sought the highest of affairs, so he must be the best of the people.
He never narrated except from memory, he died on the 14th of Dhul Hijjah 212H
[Siyaar A’laamun Nubulaa, Vol. 9, Pp. 480-485]