Fearful that the Germans would beat WWII Allies to a nuclear weapon, physicist Albert Einstein wrote to FDR, urgently pushing America's A-bomb development. But after the devastation of Hiroshima and Nagasaki, he and many scientists on the project publicly expressed deep regret.&nbsp;

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Fearful that the Germans would beat WWII Allies to a nuclear weapon, physicist Albert Einstein wrote to FDR, urgently pushing America&#8217;s A-bomb development. But after the devastation of Hiroshima and Nagasaki, he and many scientists on the project publicly expressed deep regret.&nbsp;

Einstein: Regret

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Einstein Regrets Urging FDR to Go Atomic

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