Abu Hatim al-Razi: He was a Companion
Abu Hatim ibn Hibban al-Busti: He was a Companion
Ibn Hajar al-Asqalani: Companion
al-Dhahabi: He participated in a delegation, was a Companion, and narrated hadith
al-Mizzi: He was a Companion
Muhammad ibn Ismail al-Bukhari: He was a Companion