The Germans also worked on an atomic bomb during the war. Heisenberg was in charge of the Science. They had an institute in Heidelberg dedicated to it and sever

The Germans also worked on an atomic bomb during the war. Heisenberg was in charge of the Science. They had an institute in Heidelberg dedicated to it and several other sites. The calculation for the order of magnitude of required fissible material was off by 1, which might or might not have been a deliberate error. Furthermore there was no good source of uranium as far as I know discovered in Germany at the time as far as I know.