During this period, Volz worked on the German nuclear energy project, also called the Uranverein (Uranium Club).
He specialized in experimental studies of neutron absorption in uranium, conducted with another former student of Geiger, Otto Haxel.
[5] Near the close and after the end of World War II in Europe, the Russians and the Western powers had programs to foster technology transfer and exploit German technical specialists.
This was rectified with a decree in late 1944 and the formation of specialised exploitation teams in early 1945 under the Russian Alsos, which had broader objectives, including wholesale relocation of scientific facilities to the Soviet Union.
On the other hand, he would not be allowed to correspond with anyone other than his relatives, he was to obey all orders, he would be restricted to a 50-mile radius around his duty station, and the minimum obligation had to be for at least six months.
The reports were confiscated under the Allied Operation Alsos and sent to the United States Atomic Energy Commission for evaluation.