David Bronstein was later revealed. The rumor that Bronstein was related to the disgraced former Soviet Communist leader Leon Trotsky (whose real family name was Bronstein), was treated as unconfirmed, but doubtful, by Bronstein in his book "The Sorcerer's Apprentice" (1995). This belief could have explained the imprisonment of Bronstein's father. With the tide turning towards an eventual Soviet war victory over the Nazi invaders, Bronstein was able to once again play some competitive chess. His first top-standard Soviet event was the 1944 USSR Championship, where he won his individual game against eventual winner (and soon-to-be world champion) Mikhail Botvinnik. Bronstein moved
Olga Kameneva religious and the languages spoken at home were Russian and Ukrainian, not Yiddish. Olga Bronstein joined the Russian Social Democratic Labor Party in 1902 and soon married Lev Kamenev, a fellow Marxist revolutionary. In 1908, after Lev Kamenev's release from prison, the Kamenevs left Russia for Geneva and then Paris, where Lev Kamenev became one of Vladimir Lenin's two deputies. The couple helped Lenin edit the main Bolshevik magazine "Proletariy". In January 1914, the Kamenevs moved to St. Petersburg so that Lev could be in immediate control of the Bolsheviks' legal newspaper "Pravda" and their Duma faction. In early 1918,