[2] From 1937, Flammersfeld was a Mitarbeiter (staff assistant) to Meitner at the Kaiser-Wilhelm Institut für Chemie (KWIC, after World War II reorganized and renamed the Max Planck Institute for Chemistry), in Berlin-Dahlem.
[3][4][5] In 1947, Flammersfeld completed his Habilitation at the Eberhard Karls University of Tübingen and then from 1948 a Privatdozent there.
The reports were classified Top Secret, they had very limited distribution, and the authors were not allowed to keep copies.
The reports were confiscated under the Allied Operation Alsos and sent to the United States Atomic Energy Commission for evaluation.
The reports are available at the Karlsruhe Nuclear Research Center and the American Institute of Physics.