Abu Hatim al-Razi: He was a Companion
Abu Hatim ibn Hibban al-Busti: He was a Companion
Ibn Hajar al-'Asqalani: He was the Companion who planned the mosque of Basra
al-Mizzi: He was a Companion, and he was from the early Muslims
Muhammad ibn Isma'il al-Bukhari: He was a Companion