Gor'kov – a Russian-American theoretical physicist known for his pioneering work in the field of superconductivity Yurij Ionov – discovered genome instability as a mechanism in colonic carcinogenesis Alexander Holevo – a mathematician known for Holevo's theorem Isaak Khalatnikov -- a Soviet theoretical physicist who has made contributions to many areas of theoretical physics, including general relativity, quantum field theory, as well as the theory of quantum liquids Alexey Kitaev - a Russian-American theoretical physisis, best known for introducing the quantum phase estimation algorithm and the concept of the topological quantum computer Sergey Korolev - a Soviet rocket engineer and spacecraft designer during the Space Race between the United States and the Soviet Union in the 1950s and 1960s Leonid Keldysh – a theoretical physisis known for developing the Keldysh formalism Mstislav Keldysh - a Soviet mathematician who worked as an engineer in the Soviet space program. Among scientific circles of USSR Keldysh was known with epithet "the Chief Theoretician" in analogy with epithet "the Chief Designer" used for Sergey Korolyov. Leonid Khachiyan – Soviet-American mathematician and computer scientist famous for his Ellipsoid method for linear programming, Fulkerson Prize (1982) Vadim Knizhnik - physicist know for Knizhnik–Zamolodchikov equations Igor Kurchatov - a Soviet nuclear physicist who is known as the director of the Soviet atomic bomb project Anatoly Larkin - a theoretical physicist, recognised as a leader in theory of condensed matter, and who was also a teacher of several generations of theorists Grigory Landsberg - a Soviet physicist who worked in the fields of optics and spectroscopy. Together with Leonid Mandelstam he co-discoverer inelastic combinatorial scattering of light, which known as Raman scattering Sergei Lebedev – invented MESM (1950) and BESM (1953) mainframe computers Robert Liptser - Russian-Israeli mathematician who made contributions to the theory and applications of stochastic processes Alexander Migdal – Russian-American, defined 2D quantum gravity, 2D/3D visualization software and internet entrepreneur Viatcheslav Mukhanov – contributor to the theory of cosmological inflation Sergey Nikolsky – mathematician Lev Okun - a Soviet theoretical physicist, who made contributions to the theory of elementary particles Lev Pitaevskii – theoretical physicist, who made contributions to the theory of quantum mechanics, electrodynamics, low-temperature physics, plasma physics, and condensed matter physics Valery Pokrovsky - is a Soviet and Russian physicist. He is best known for his pioneering and fundamental contributions to the modern theory of phase transitions Alexander Polyakov – quantum field theory