DIETERICI, FRIEDRICH ( 18 2 I—I 903 ) , German oriental ist, and a pioneer in mediaeval Arabic studies, was born on July 6,1821, in Berlin, where he died on Aug. 18, i9o3. He travelled in Egypt and the Near East from 1847-49 and on his return became professor at Berlin. His writings did much to stimulate an appreciation of the speculations of the mediaeval Arabs; they include Alfijgah, carmen grammaticum auctore Ibn Malik (1851); Mutanabbii carmina cum commentario Wahidii (1858); Die Philosophie der Araber 9 u. io Mr. n. Chr. (1876-95); Die sogenannte Theologie des Aristoteles (trans. from Arabic, 1883) ; Der Streit zwischen Mensch Thier . . . aus den Schriften der lauteren Brfider iibersetzt (1858); Alfarabis philo sophische Abhandlungen (Arabic ed. 1892); Der Musterstaat von Alfarabi (trans. from Arabic, 19oo) ; Christomathie Otto mane (1854) and an oriental novel, Mirjam (1886).