Abu Ahmad ibn Adi al-Jurjani: He is only known for a Munkar Hadith, and there is nothing more Munkar than this Hadith
Abu Hatim al-Razi: Unknown Sheikh
Abu Dawud al-Sijistani: Unknown
Abu Zarah al-Razi: Unknown
Ibn Hajar al-Asqalani: Unknown
Al-Dhahabi: Unknown