Eydus Khaim Tevelevich (lit. pen name U. Khaiam) (1896, Krāslava, Dvinsk District, Vitebsk Governorate — 1972, Moscow) — orientalist. Doctor of Historical Sciences (1940), professor (1941).
Brother of Ya.T. Eydus.

In 1914–17, studied at the Psychoneurological Institute (Petrograd); in 1924, graduated from the Japanese section of the Eastern Department (faculty) of the Military Academy of the RKKA.
In 1917, conducted political-educational work among Jewish workers in the leather industry trade union (Vitebsk); worked at the Committee for Affairs of Prisoners Returning from Germany (“Plenbezh”).
In 1918 — in the Red Army, deputy head of the political department of the Revolutionary Military Council of the Lithuanian-Belarusian Soviet Republic.
In 1919–20 — underground work in Vilna.
In 1925–26 — consul of the USSR in Japan (Osaka); in 1926–31, deputy head of the colonial sector of the Profintern; in 1931–72 — at the Institute of World Economy and World Politics of the Communist Academy, at the Institute of Economics of the USSR Academy of Sciences, at the Institute of Oriental Studies of the USSR Academy of Sciences. Simultaneously for many years, engaged in teaching.
Author of approximately 180 scholarly works, including 18 monographs.
Main research directions: the concept of the historical process of Japan's development from ancient times to the present day; economic and political problems of the modern and contemporary history of Japan; development of Soviet-Japanese state foreign policy relations, etc.

Works: Sketches of the Labour Movement in the Countries of the East. Moscow, 1922; Modern Japanese Imperialism. Moscow, 1932; Japan. 2nd ed. Moscow, 1938; Japan and the USA in the War in the Pacific. Tashkent, 1943; Sketches of Modern and Contemporary History of Japan. Moscow, 1955; History of Japan from Ancient Times to the Present Day. Moscow, 1968.

E.'s brother — Peysakh (1904, Vilna — 1941), chemical engineer. Candidate of Technical Sciences (1938). Graduated from the chemistry and technology faculties of the Moscow Chemical and Technical Institute (MKHTI, 1930). Simultaneously worked as a mill engineer; from 1930 — at the All-Union Research Institute of Grain (Moscow), head of the milling production laboratory. Scientific research in the field of the milling process. Author of 3 books on milling production technology and over 40 scientific articles. Killed on the front.

REE 3, 449-450