Leo Alexander

Alexander wrote part of the Nuremberg Code, which provides legal and ethical principles for scientific experiment on humans.

His father, Gustav Alexander, was an ear, nose and throat doctor in Vienna, who had published more than eighty scientific papers even before Leo was born.

But after Hitler taken power, he couldn't return to Germany, and was awarded a fellowship at a state mental hospital in Worcester, Massachusetts.

He conceived the principles of the Nuremberg Code after observing and documenting German SS medical experiments at Dachau, and instances of sterilization and euthanasia.

He arranged for the treatment of 40 German Nazi concentration camp victims who had been injected by Josef Mengele with a precursor to gas gangrene, and provided them with psychiatric therapy.