For 10 points, name this Russian revolutionary displaced by Josef Stalin.
Isaac Deutscher wrote a three-volume biography of this man, called The Prophet. This man wrote The Revolution Betrayed while in exile, and ordered the violent suppression of the Kronstadt rebellion. This victim of Ramón Mercader fled to the home of Diego Rivera and Frida Kahlo, where he was killed with an icepick. This sometime editor of Pravda advocated "permanent revolution," which contrasted with his rival's program of "socialism in one country" and led him to be purged. For 10 points, name this Russian revolutionary displaced by Josef Stalin.
Isaac Deutscher wrote a three-volume biography of this man, called The Prophet.
Leon Trotsky [or Lev Davidovich Bronshtein]