Biographical note about Richard Feynman from the Manhattan Project files. Probably related to draft-board information (they had to reassert periodically that their personnel were irreplaceable and thus un-draftable).pic.twitter.com/VdypTJ82pi
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And here is Harry Daghlian's file. Daghlian would be dead by September 1945 — because of the same "critical mass test" work he was working on when this report was made.pic.twitter.com/k9YbbScNvb
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