Sigmund Rascher
Sigmund Rascher (12 February 1909 – 26 April 1945) was a German Schutzstaffel (SS) doctor. He conducted deadly experiments on humans pertaining to high altitude, freezing and blood coagulation under the patronage of Reichsführer-SS Heinrich Himmler, to whom his wife Karoline "Nini" Diehl had direct connections.