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
Raphael Bronstein Raphael Bronstein Raphael Bronstein (June 25, 1896 – November 4, 1988) was a violinist and violin professor. He was born in a Jewish family in Vilnius, Lithuania and studied violin with Leopold Auer at the St. Petersburg Conservatory. He arrived in the United States in 1923 to take a job as an assistant to Auer. Mr. Bronstein had one daughter, Ariana Bronne, who taught at the Manhattan School of Music. Mr. Bronstein's teaching career spanned 65 years and was responsible for a large number of the current generation of leading violin teachers and performers. He taught at the Hartt School