Lev Kamenev arrested in 1902, ending his formal education. From that point on, he worked as a professional revolutionary, and was active in the capital St. Petersburg, Moscow and Tiflis. He adopted the surname Kamenev during this period. In the early 1900s, he married Olga Bronstein, a fellow Marxist (and younger sister of Leon Trotsky, who had also adopted a different surname). The couple had two sons together. Kamenev joined the Communists in 1901. He took a brief trip abroad in 1902, meeting Russian social democratic leaders living in exile, including Vladimir Lenin, whose adherent and close associate he became. He also
Ivan Davidovich Lazarev On 14 August 1879 Lazarian died while on an expedition on the eastern side of the Caspian Sea. Ivan Davidovich Lazarev Ivan Davidovich Lazarev (, Hovhannes Davti Lazarian; ; 17 October 1820 – 14 August 1879) was an Imperial Russian Army general of Armenian origin. Hovhnanes Lazarian (Ivan Lazarev) was born on 17 October 1820 in Shusha in Nagorno Karabakh, then part of the Russian Empire, and studied at a school in that city. In 1839 he began his military career in the Caucasus, where, for his actions, he was made an officer in 1842. Before the war in Western