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This points to German nuclear weapons program. In those years, "From at least 1940 to early 1942", it is very optimistic to speak of "energy project". The German article Uranproject, speaks of the "Arbeitsgemeinschaft für Kernphysik" (Working group for nuclear physics), which could be used instead of German nuclear energy project. However, I have not checked english sources, if this (title) was actually the name used for it. Kind Regards 17387349L8764 ( talk) 19:53, 12 June 2023 (UTC) reply

Ok, so Bernstein's Uranium Club book speaks of "nuclear energy program" (pp. 16 for example). 17387349L8764 ( talk) 21:20, 12 June 2023 (UTC) reply