Center for Medicine After the Holocaust | holocaust medicine First Do No Harm The mission of the Center for Medicine after the Holocaust CMATH is to challenge doctors nurses and bioscientists to personally confront the medical ethics of the Holocaust and to apply that knowledge to contemporary practice and research. Without the enthusiastic support of the German healthcare community the Holocaust might not have happened. From 1933 to 1945 German physicians bioscientists and nurses the best in the world at the time willingly committed the most egregious violations of medical and professional ethics. Guided by eugenic theories of race they sterilized 400000 citizens against their will euthanized 200000 disabled German children and adults and created the gas chambers and crematoria that were used for the mass murder of 4.