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 Pitaevskii Lev Pitaevskii Lev Petrovich Pitaevskii ( ; born 1933) is a Russian theoretical physicist, who made contributions to the theory of quantum mechanics, electrodynamics, low-temperature physics, plasma physics, and condensed matter physics. Together with Evgeny Lifshitz and Vladimir Berestetskii, Lev Pitaevskii has also been the co-author of a few volumes of the influential Landau–Lifschitz "Course of Theoretical Physics" series. His academic status is professor. Pitaevskii was born on January 18, 1933, in Saratov. He graduated from Saratov State University in 1955. In 1958 he joined the staff of the Institute of Physical Problems of the Russian Academy of Sciences. In