Igor Rotenberg Igor Rotenberg Igor Rotenberg, () is a Russian billionaire businessman and the oldest son and heir to Arkady Rotenberg, Russian billionaire businessman and co-owner with brother Boris Rotenberg, of the SGM (Stroygazmontazh) group. The Rotenberg's are closely associated with Vladimir Putin. In October 2018, Igor Rotenberg's wealth is estimated to be $1.1 billion. Igor Rotenberg has been under United States sanctions since 6 April 2018. Igor is the majority shareholder in Gazprom Drilling. Igor Rotenberg was born on 9 September 1974 in Leningrad to Arkady Rotenberg. In 2002, he graduated from the Higher School of Privatization and Entrepreneurship () in
Arkady Aronov field which eventually opened the whole research field of electrons in random magnetic field, useful for understanding the quantum Hall effect. Two symposia were held in memory of Arkady Aronov, one in Zikhron Ya'akov by Weizmann Institute of Science, where Aronov was a faculty member, in 1996, and another one in Karlsruhe Institute of Technology, where he spent extensive periods of time, in 2009. Arkady Aronov Arkady Girshevich Aronov (; July 26, 1939 in Leningrad, Soviet Union – November 13, 1994 in Rehovot, Israel) was a Russian and Israeli theoretical condensed matter physicist, notable for his achievements in physics of