After the First World War the large number of war invalids posed a medical as well as a socio-political problem. This needed to be addressed, at least to some extent, through healthcare providers and reintegration into the labour market. Due to the demilitarization of Germany, this task was taken on by the civil administration, which was dissolved during the time of National Socialism. In 1950, the Federal Republic of Germany enacted the Federal War Victims Relief Act, which created a privileged (...) group of civil and military war invalids, whereas other disabled people and victims of national socialist persecution were initially excluded. This article examines the continuities and discontinuities of the institutions following the First World War. A particular focus lies on the groups of doctors which structured this field. How did doctors become experts and what was their expertise? (shrink)