Abu Hatim ibn Hibban al-Busti: He was a companion
Ibn Hajar al-'Asqalani: A well-known companion
Al-Dhahabi: He was a companion and participated in military expeditions
Al-Mizzi: He was a companion
Jalaluddin al-Suyuti: He was a companion and narrator of hadith
Muhammad ibn Isma'il al-Bukhari: He was a companion