Anas said, "The Quran was collected in the lifetime of the Prophet (ﷺ) by four (men), all of whom were from the Ansar: Ubai, Mu`adh bin Jabal, Abu Zaid and Zaid bin Thabit." I asked Anas, "Who is Abu Zaid?" He said, "One of my uncles."

Sahih al-Bukhari Book 63, Hadith 35