Answer :
Final answer:
Josef Mengele earned the title 'Angel of Death' through his medical experimentation on prisoners at Auschwitz.
Explanation:
Medical experimentation performed by a Nazi official earned him the title "Angel of Death." This official was Josef Mengele, who conducted cruel and deadly experiments on prisoners, particularly at Auschwitz concentration camp.
Learn more about Nazi medical experimentation here:
https://brainly.com/question/42905060