Olga Kameneva Olga Kameneva Olga Davidovna Kameneva (, ; 1883 – 11 September 1941) (née Bronstein — Бронштейн) was a Russian Bolshevik revolutionary and a Soviet politician. She was the sister of Leon Trotsky and the first wife of Lev Kamenev. Olga Bronstein was born in Yanovka, Kherson Governorate, Russian Empire (present-day Kirovohrad Oblast, Ukraine), a small village 15 miles from the nearest post office. She was one of two daughters of a wealthy but illiterate farmer, David Leontyevich Bronstein (or Bronshtein, 1847–1922), a Jewish colonist, and Anna Lvovna (née Zhivotovskaya) (1850–1910). Although the family was of Jewish extraction, they were not
Lev Karpov 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 to Voronezh he became involved with the Northern Russian Workers’ Union. In 1915 he was appointed director of Bondjuschski Sawod in Mendeleyevsk (Tatarstan), the oldest chemical factory in Russia, established in 1868, which was later renamed the Chemical Plant Karpov after him. After the october revolution he founded the