Abu Hatim al-Razi: He was a companion
Abu Hatim ibn Habban al-Busti: He was a companion
Ibn Asakir al-Dimashqi: He was a companion
Al-Khatib al-Baghdadi: He narrated a hadith from the Prophet, peace and blessings be upon him
Muhammad ibn Ismail al-Bukhari: He was a companion
Muhammad ibn Sa'd, the scribe of al-Waqidi: He embraced Islam after the conquest