The two stories are very similar because they are both about the event that happened in the 1940s because of Hitler's hatred for the Jews. There is other concentration camps other than Aushwitzs, but this is the most popular one. Ellie Wiesel went through 3 other camps before being transferred to Aushwitzs. While the doctor was brought there to be the doctor there.
So now, some differences between the 2 people is Ellie was a 13 year old boy from Transylvania. He was separated from his mother and
his younger sister who both died in the fire champers. He was with his dad throughout the 3 years of being at the camps. His father died from dysentery and being beaten by the soldiers. When only a couple weeks later the Americans bombed around the camps causing the Nazis to leave. And then Ellie doesn't talk much about what happened after. Now, the doctor was in his mid 20's and he is a doctor from who grew up in Germany. He doesn't talk about his personal life really but he was transported to Aushwitzs to be a doctor there.
When the people are first brought to the camps they are assigned a prison number and it is tattooed on them. Ellie' s number was A-7713 and Dr. Milkos was tattooed A-8450. I'm assuming the number means the population , like he was the 8450th person to arrive. So perhaps Ellie got there before Dr Milkos.
Both of these books have brought the full horror of the Nazi death camps to America. We all have learned a bit about the holocaust in school but reading a book of an eyewitness makes you realize and know so much more.