“He highlights several incidents that bring the story to life, including the Germans’ confused reaction to the news of Hiroshima and Nagasaki, the surprise announcement of Otto Hahn’s Nobel … . Ultimately, however, Cassidy has made Farm Hall come alive, with all the important contradictions and conflicts it embodies. His book should be of special interest to physicists and physics students and is a valuable addition to our understanding of this ambiguous chapter in the history of modern physics.” (Mark Walker, Physics Today, March, 2018)