He was the author of several books about the Cold War, communism, and foreign policy, including The Russian Revolution 1917-1921 (1935), which was written in Russia between 1922 and 1934 while he was the Moscow correspondent of The Christian Science Monitor.

[4] He met his Ukrainian-born wife, Sonya, in the United States, where she and her family had immigrated, visited Ukraine and the North Caucasus in 1932 and 1933.

[3] After leaving the Soviet Union, Chamberlin went to Germany and his experiences with Nazism further convinced him of the dangers of collectivism and absolutism in general.

His The Confessions of an Individualist was an autobiography that was published in 1940, shortly before his collaboration with Russian Review, which was to last until his death from a stroke 28 years later.

[3] Chamberlin believed that the British Empire and the United States should stay out of World War II to prevent communism from spreading in either Europe or Asia since he viewed Germany and Japan as valuable barriers.