Ahmad ibn Fadlan
Aḥmad ibn Faḍlān ibn al-ʿAbbās ibn Rāšid ibn Ḥammād, (; ) commonly known as Ahmad ibn Fadlan, was a 10th-century Arab Muslim traveler, famous for his account of his travels as a member of an embassy of the Abbasid caliph, al-Muqtadir of Baghdad, to the king of the Volga Bulgars, known as his ("account" or "journal").