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
Lev Karpov Central Chemical Laboratory (now Karpow-Institute for Physical Chemistry) in Moscow in 1918 and was appointed several high-ranking positions in the soviet administration. He is buried at the Kremlin Wall Necropolis. Leonid Krasin spoke at his funeral suggesting that science would be able to restore the dead back to life: Lev Karpov Lev Iakovlevich Karpov (April 18 (30), 1879, Kiev; January 6, 1921, Moscow) was a Russian Chemist and Bolshevik revolutionary. Karpov, the son of a sales clerk, became a member of the Communist Party in 1897. He studied chemistry at the Moscow Higher Technical School graduating in 1910. After moving