Douglas Morton Dunlop

Douglas Morton Dunlop (1909–1987) was a renowned British orientalist and scholar of Islamic and Eurasian history.

Born in England, Dunlop studied at Bonn and Oxford under the historian Paul Ernst Kahle (1875–1965). His work was also influenced by such scholars as Zeki Validi Togan, Mikhail Artamonov, and George Vernadsky.

In the 1950s and '60s, Dunlop was Professor of History at Columbia University in New York. He is best known for his influential histories of Arab civilization and the Khazar Khaganate. Dunlop was the "most esteemed scholar of the Khazar monarchy." He had command of the many languages needed to study the Khazars, information about whom is found in Arabic, Byzantine, Hebrew and Chinese literature.

...
Wikipedia