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 Shcherba was the teacher of the lexicographer Sergei Ozhegov, author of the most widely used Russian dictionary. Shcherba is the author of the "glokaya kuzdra" sentence, which consists of words whose roots do not exist in Russian, but has correct construction in terms of Russian morphology and syntax. He invented this sentence to illustrate the distinction between grammar and vocabulary. Lev Shcherba Lev Shcherba (commonly Scherba) (Russian: Лев Влади́мирович Ще́рба, Belarusian: Леў Уладзіміравіч Шчэрба) ( – December 26, 1944) was a Russian linguist and lexicographer specializing in phonetics and phonology. Born in Igumen (Minsk Governorate, Russian Empire, now Chervyen, Belarus) to