Hammam said: I said to Anas bin Malik (RA): Who collected the Quran during the lifetime of Allahs Messenger ﷺ ? He said: Four (persons), all of them belonging to Ansar: Ubayy bin Kab, Muadh bin Jabal, Zaid bin Thabit and a person from the Ansar whose Kunya was Abu Zaid.