alexander bogdanov alexander kerensky alexander trepov alexey kosygin bolshevik boris yeltsin central committee of the communist party of the soviet union christian rakovsky copenhagen february revolution frol kozlov genrikh yagoda georgy lvov georgy malenkov great purge grigory zinoviev ivan goremykin ivan silayev joseph stalin left opposition leon trotsky lev kamenev london mikhail fradkov mikhail kasyanov mikhail solomentsev mikhail tomsky mikhail yasnov moscow moscow trials nep nicholas galitzine nikita khrushchev nikolai bukharin nikolai bulganin nikolai krestinsky nikolai ryzhkov nikolai tikhonov oleg lobov orgburo paris perestroika petrograd soviet politburo prime minister of russia pyotr stolypin right opposition russia russian civil war russian empire russian provisional government russian social democratic labour party russian language saint petersburg saratov sergei kiriyenko sergei stepashin sergei witte sergey syrtsov siberia soviet union united opposition valentin pavlov viktor chernomyrdin viktor khristenko viktor zubkov vladimir kokovtsov vladimir lenin vladimir putin vyacheslav molotov yegor gaidar yevgeny primakov