The Brits did, but merged their programme with the US one.
In fact, the British influx was quite substantial; especially regarding the implosion trigger on plutonium bombs (Los Alamos, Nagasaki).
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The Brits did, but merged their programme with the US one.
In fact, the British influx was quite substantial; especially regarding the implosion trigger on plutonium bombs (Los Alamos, Nagasaki).