Fakhr al-Din al-Razi, ko Fakhruddin Razi Persian (an haife shi a ranar 26 ga watan Janairu shekarar 1150 ya mutu a ranar 29 ga watan Maris shekara ta 1210) wanda ya kasan ce masanin tauhidi ya san shi sau da yawa, ya kasance mutumin farisa ne polymath, malamin addinin Islama kuma jagora ne na dabaru mai jan hankali. Ya yi rubuce-rubuce iri daban-daban a fannonin likitanci, ilmin kimiya, kimiyyar lissafi, ilimin taurari, ilimin sararin samaniya, adabi, tiyoloji, ilimin halayyar dan adam, falsafa, tarihi da fikihu . Ya kasance daya daga cikin magabata na farko da masu shakku wadanda suka zo da batun Multivers, kuma suka kwatanta shi da ilimin falaki na Al-Qur'ani . Mai musun samfurin duniya da kuma tunanin Aristotelian na wata duniya da ke zagaye da wata duniya, Al-Razi yayi jayayya game da wanzuwar sararin samaniya sama da duniyar da aka sani. An haifi Al-Razi ne a garin Rey na Iran, kuma ya mutu a Herat, Afghanistan . Ya bar tarin wadatar ayyukan falsafa da tiyoloji wadanda ke nuna tasiri daga ayyukan Avicenna, Abu'l-Barakāt al-Baghdādī da al-Ghazali .