1) Assassination victim of 1940 2) Bolshevik 3) Bolshevik biggie 4) Bolshevist 5) Dead Red head 6) Early Marxist revolutionary 7) Lenin frenemy 8) Leon trotsky 9) Lev davidovich bronstein 10) Noted bolshevik 11) Red army founder 12) Revolutionary 13) Revolutionist 14) Russian revolution leader 15) Russian surname 1) Leon 
Leon Bronstein 1879-1940; a disciple of Marx; played a leading role in events of 1917; lost power struggle to Stalin after death of Lenin
[n] - Russian revolutionary and Communist theorist who helped Lenin and built up the army
Leon Trotsky noun Russian revolutionary and Communist theorist who helped Lenin and built up the army; he was ousted from the Communist Party by Stalin and eventually assassinated in Mexico (1879-1940)