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
Bella Davidovich Soviet émigré musician to receive an official invitation from the Soviet agency Goskoncert to perform in her native country. She played concertos, a recital with her son Dmitry Sitkovetsky playing the violin, and chamber music with the Borodin String Quartet to sold-out halls. Bella Davidovich Bella Mikhaylovna Davidovich (Бэлла Миха́йловна Давидо́вич; born 16 July 1928) is a Jewish Soviet-born American pianist. Davidovich was born in Baku, Azerbaijan SSR, into a family of musicians and began studying piano when she was six. Three years later, she was the soloist for a performance of Beethoven's Piano Concerto No. 1. In 1939, she