Born 1937 in St.Petersburg (Russia). A study of Theoretical Physics at St.Petersburg State University ( SPBU).1964 PhD. From 1964 to 1968 assistant at SPBU, mathematical physics department. From 1968-quantum chemistry department at SPBU-associate Professor (1968). Professor (1979), since 1995 Head of Quantum Chemistry Department, SPBU. Full Member of Russian Academy of Natural Sciences (1992), Humboldt Foundation award winner ( 1998), foreign member of Latvian Academy of Science (2003), Author of 200 scientific publications on theory of symmetry and electronic structure of crystals and 6 books...