Beginning in late 1939, it was operated as one of six major centers for Action T4, a secret sterilization and "involuntary euthanasia" program in Nazi Germany.
Huber was prosecuted and convicted by the United States military for murders of forced laborers from Poland and other allied countries, and sentenced to 25 years in prison.
German supreme leader Adolf Hitler determined that he did not want to use state funds to maintain them in wartime and that they should have "mercy deaths".
Hospital records revealed that 476 forced laborers from Poland and the Soviet Union – Allied countries – had also died at Hadamar.
Later, the court ruled that Huber played a role in selecting patients for murder and in falsifying death certificates.
Chief administrator, Alfons Klein, and two male nurses, Heinrich Ruoff and Karl Willig, were sentenced to death and executed in 1946.
[2] This article incorporates text from the United States Holocaust Memorial Museum, released under the GFDL.