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
Mikhail Davidovich Mashkovsky Mikhail Davidovich Mashkovsky Mikhail Davidovich Mashkovsky () (March 1, 1908 - June 5, 2002) was a famous Russian pharmacologist, and Academician of the Russian Academy of Science, the author of the famous Soviet and later on Russian pharmacopoeia "Medical compounds", which had 15 successful editions (the last 15th edition was published after his death in 2005 in Russia). He was born on 1 March 1908. In 1934 he graduated from Second Moscow Medical Institute named after Pirogov. In 1938 he started his work at the National research institute for chemistry and pharmacy. In 1939 he got his PhD in pharmacology,