1909-1981 2011l-963 20thcentury 390 auschwitz(concentrationcamp) authors biography concentrationcamps correspondence douglas fearofcontamination franz fühmann german germany grieshaber hannsmann holocaust holocaustsurvivors involuntary involuntarysterilization margarete mary nazipersecution purity ritual roma romanies sterilization survivors taboo theresia winterstein wz100 würzburg