Aleksandr Blok (1880-1921) lived thought his country's savage wars and radical traumas, trying to welcome the new order. But there was no space in it for his kind of imagination. His poem The Twelve has claims to being the first great poem of the Russian Revolution. It remains enigmatic, the language elevated, the tone celebratory, even mystical. Mayakovsky, bringing Revolution into the very language and form of his poetry, wrote against Blok and...