<em>Oppenheimer </em>Is a Mind-Blowing Movie, but How Is It as History? Fred Kaplan<em>Oppenheimer </em>Is a Mind-Blowing Movie, but How Is It as History? Fred Kaplan Was the Manhattan Project leader a communist? Did he regret the bomb? Here’s what you need to know. <img src="https://compote.slate.com/images/2657d29c-2ac2-49b0-b4a2-55870cca80db.jpeg?crop=1560,1040,x0,y0" title="<em>Oppenheimer </em>Is a Mind-Blowing Movie, but How Is It as History?" /> 

Was the Manhattan Project leader a communist? Did he regret the bomb? Here’s what you need to know.

<img src="https://compote.slate.com/images/2657d29c-2ac2-49b0-b4a2-55870cca80db.jpeg?crop=1560,1040,x0,y0" title="Oppenheimer Is a Mind-Blowing Movie, but How Is It as History?” /> 

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