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
Paul Davidovich Paul Davidovich Baron Paul Davidovich or Pavle Davidović () (1737, Buda – 18 February 1814, Komárom) became a general of the Austrian Empire and a Knight of the Military Order of Maria Theresa. He played a major role in the 1796 Italian campaign during the French Revolutionary Wars, leading corps-sized commands in the fighting against the French army led by Napoleon Bonaparte. He led troops during the Napoleonic Wars and was Proprietor (Inhaber) of an Austrian infantry regiment. Born in Buda (Ofen) (in modern-day Budapest, Hungary) in 1737, Davidovich came from a Serb family which had immigrated to the Austrian