Qur’an compilation

Anas (رضي الله عنه) said:

The Qur’an was compiled during the lifetime of the Messenger (صلى الله عليه وسلم) of Allah by four men, all of them who are among the Ansar: Ubay Ibn K’ab, Mu’adh, Zayd Ibn Thabit and Abu Zayd (رضي الله عنهم).

Siyar A’lam An Nubalaa 2/431