Abu Hatim al-Razi: He was a companion
Abu Hatim ibn Hibban al-Busti: He was martyred on the day of Uhud
Ibn Hajar al-Asqalani: Companion
al-Khatib al-Baghdadi: He was a companion, and narrated a hadith from the Prophet, peace and blessings be upon him
al-Mizzi: He was a companion
Muhammad ibn Ismail al-Bukhari: He was a companion