Sovietologist Dr. Robert Tucker from Princeton University offered "Reflections of a Stalin Biographer."  An attaché at the United States embassy in Moscow between 1944 and 1953, Tucker published The Soviet Political Mind: Studies in Stalinism and Post-Stalin Change in 1963, and his Stalin as Revolutionary, 1879-1929: A Study in History and Personality and Stalin in Power: The Revolution from Above followed in 1973 and 1990.