Lev Karakhan Lev Karakhan Lev Mikhailovich Karakhan ("Karakhanian") Armenian Կարախանյան Լեւոն Միքայելի, Russian Лев Михайлович Карахан (20 January 1889, Tiflis – 20 September 1937, Moscow) was an ethnic Armenian-born Russian revolutionary and a Soviet diplomat. A member of the RSDLP from 1904. At first a Menshevik, he joined the Bolsheviks in May 1917. In October 1917, he was member of the Revolutionary Military Council; then served as secretary of the Soviet delegation at the Brest-Litovsk peace talks together with Leon Trotsky and Adolph Joffe. In 1918-1920 and 1927–1934, he was the Deputy People's Commissar for Foreign Affairs. In 1919, he issued a
Lev Davidovich Belkind Lev Davidovich Belkind Prof. Lev Davidovich Belkind (; (August 27, 1896, Myrhorod – November 16, 1969) was a Soviet scientist, engineer and historian; author of numerous publications on the history of science and technology. His academic activity is associated with the Moscow Power Engineering Institute (Technical University) (), where he has founded the department of Lighting Engineering () in the Physics-Energy Faculty () in 1932. In 1937, he became the first dean of the faculty of Electro-Physics upon its formation (). Later he has headed the department of History of Engineering () Fluent in Russian, English, French and German, and