October, 1931. Albert Glotzer, a young American revolutionary, arrived in Kadikoy, Turkey, for an eagerly anticipated meeting with Leon Trotsky. Of that day, Glotzer writes: "In accented English, he invited me to his buro . . . As I sat talking, I observed the famous head, with its shock of gray hair, the high forehead, the penetrating blue eyes behind the horn rims, the full lips framed by dimples that deepened with his smile or laughter . . . The...