When a professor gave her Max Eastman’s Artists in Uniform, hoping that it might serve as a sober- ing antidote to her woolly-headed admiration of Russian communism, Jean confided to a friend, “I just wouldn’t want to go on living if I didn’t believe that in Russia everything is better.”

Kai Bird and Martin J. Sherwin, American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer, New York, 2005