Gerhard Roiß

Gerhard August Heinrich Rose (30 November 1896 – 13 January 1992) was a Nazi German physician and war criminal who performed medical atrocities on concentration camp prisoners at Dachau and Buchenwald without the subjects' consent. He infected Jews, Romani people, and the mentally ill with malaria and typhus. Following the Doctors' Trial, Rose was convicted of war crimes and sentenced to life in prison, but he was released in 1955.

Biography fallback source: Wikipedia