Arkady Rotenberg Arkady Rotenberg Arkady Romanovich Rotenberg (, born December 15, 1951 in Leningrad) is a Russian businessman and tycoon. With his brother Boris Rotenberg, he is co-owner of the Stroygazmontazh (SGM) group, the largest construction company for gas pipelines and electrical power supply lines in Russia. He was listed by "Forbes" in 621st place among the world's wealthiest persons in 2014. He is considered a close confidant of president Vladimir Putin. As of November 2017, "Forbes" estimates his fortune at $2.5 billion. He is subject to personal sanctions by the United States government related to the events during the Ukrainian crisis.
The Canon of Judo of Judo", does not contain this information. Furthermore, the original book was translated by K. Sugai whose translations were poor at best. (For example, "Or this is to throw him down by foot sweeping instant before his advanced-feet are fixed in order to change his position or break your balance.") The book gives a brief history of Jujutsu in Japan, and gives the lineage of Judo, referencing Jujutsu masters prior to Jigoro Kano. To show the early origins and continuous development of the martial arts in Japan, a long list of historical text sources, people, and schools and styles are