Igal Halfin is senior lecturer in the department of history at Tel Aviv University. He is the author of Intimate Enemies: Demonizing the Bolshevik Opposition, 1918-1928; From Darkness to Light: Class, Consciousness, and Salvation in Revolutionary Russia; and Terror in My Soul: Communist Autobiographies on Trial. Halfin is also editor of Language and Revolution: The Making of Modern Political Identities.