This towering figure of the twentieth century has hitherto lacked a successful and full-scale biography. The publication of this first volume of a projected trilogy by Robert Tucker marks the beginning of the end of this situation. Robert H. McNeal,Tucker has achieved a real break-through . . . his analysis throws a flood of light into previously obscure corners. . . . Tucker with his analysis of Stalins personality structure has opened up an enormously promising vein of research, Robert M. Slusser,