Hartheim killing centre significant person Viktor Brack
Execution doctors
The Action T4 organisers, Viktor Brack and Karl Brandt, ordered that the execution of the sick had to be carried out by medical doctors because Hitler's memorandum of authorisation of 1 September 1939 only referred to doctors. The operation of the gas tap was thus the responsibility of doctors in the death centres. However, during the course of the programme, the gas valves were occasionally operated by others in the absence of the doctors or for other reasons. Also, many doctors used pseudonyms rather than their real names in the documents.
The following execution doctors worked in Hartheim: