Siegfried Ruff

Siegfried Ruff (19 February 1907 – 22 April 1989) was a German physician who served as director of the Aviation Medicine Department at the German Experimental Institute for Aviation, and was accused of war crimes and crimes against humanity for conducting medical atrocities. He was acquitted of war crimes and recruited by the US after World War II.

Nazi activities and Doctors' Trial In the 1947 Doctors' Trial, Ruff was indicted on various war crimes allegedly committed during his time as a researcher at the Institute for Aviation. Specifically, it was alleged he had overseen experiments that had resulted in the deaths of 80 Dachau concentration camp inmates. Ruff was acquitted of all charges against him.