Abu Hatim al-Razi: He was a Companion
Abu Hatim ibn Hibban al-Busti: He was a Companion
Ibn Hajar al-Asqalani: A Companion who witnessed the pledge of allegiance at al-Ridwan
Ibn Asakir al-Dimashqi: He was a Companion
Al-Dhahabi: He was a Companion
Al-Mizzi: He was a Companion
Muhammad ibn Ismail al-Bukhari: He was a Companion