Auschwitz concentration camp (German: "Konzentrationslager Auschwitz" , ] , also "KZ Auschwitz " or "KL Auschwitz ") was a network of German Nazi concentration camps and extermination camps built and operated by the Third Reich in Polish areas annexed by Nazi Germany during World War II.
 It consisted of (the original camp), Auschwitz II–Birkenau (a combination concentration/extermination camp), (a labor camp to staff an IG Farben factory), and 45 satellite camps.
Josef Mengele (] ; 16 March 19117 February 1979) was a German "Schutzstaffel" (SS) officer and physician in Auschwitz concentration camp during World War II.
 Mengele was a member of the team of doctors responsible for the selection of victims to be killed in the gas chambers and for performing deadly human experiments on prisoners.
 Arrivals deemed able to work were admitted into the camp, and those deemed unfit for labor were immediately killed in the gas chambers.
 Mengele left Auschwitz on 17 January 1945, shortly before the arrival of the liberating Red Army troops.
 After the war, he fled to South America, where he evaded capture for the rest of his life.
Miklos Samual Kanitz (1939–2006) was a Hungarian-Canadian Holocaust survivor living in Saskatoon, Saskatchewan.
 He narrowly escaped being transported to the German death camp at Auschwitz in June 1944 at the age of six, because a neighbor, whose son was a member of the Hungarian fascist Arrow Cross Party, risked her life to hide Kanitz, his mother, and his brother in her potato cellar for seven months until the end of the war.
The Auschwitz-Birkenau Memorial and Museum (Polish: "Państwowe Muzeum Auschwitz-Birkenau w Oświęcimiu" ) is a memorial and museum in Oświęcim (German: Auschwitz), Poland, which includes the German concentration camps Auschwitz I and Auschwitz II-Birkenau.
 It is devoted to the memory of the murders in both camps during World War II.
 The museum performs several tasks, among them research into the Holocaust.
The Yugoslav Auschwitz and the Vatican is a book written by Vladimir Dedijer, World War II Yugoslav Partisan and revolutionary, a university professor and a human rights activist.
The book is a shortened version of Dedijer's two books written in Serbian: "Vatikan i Jasenovac" and "Vatikan i Jasenovac Dokumenti", published by Rad Publishing House Belgrade in 1987.
 It was published in English under the title, "The Yugoslav Auschwitz and the Vatican: The Croatian Massacre of the Serbs During World War II" by Prometheus Books, in 1992 (ISBN  ).
 The same book was published in German as "Jasenovac, das jugoslawische Auschwitz und der Vatikan" published by Ahriman-Verlag GmbH (January 31, 2001).
Rudolf Mildner (July 7, 1902 – 1953?)
 was an Austrian-German SS-Standartenführer who served as the chief of the Gestapo at Katowice and who was the head of the political department at Auschwitz, conducting "third degree" methods of interrogation from March 1941 until September 1943.
 As such, he frequently sent prisoners to Auschwitz for incarceration or execution.
 He visited Auschwitz on several occasions.
 In December 1944, he was appointed chief of the SiPo, Gestapo and SD in Vienna.
 After the war, Mildner testified at the Nuremberg Trials and remained in custody until 1949.
(Polish: , German: "Auschwitz" , Yiddish: אָשפּיצין‎ "Oshpitzin") is a town in the Lesser Poland (Polish: "Małopolska" ) province of southern Poland, situated 50 km west of Kraków, near the confluence of the Vistula ("Wisła") and Soła rivers.
 The town is commonly known as being the location of the Auschwitz concentration camp (less commonly known as KL or KZ Auschwitz Birkenau) during World War II when Poland was under the control of Nazi Germany.
The following, is the list of subcamps of the Auschwitz concentration camp run by Nazi Germany in occupied Poland during World War II.
 The list, supplied by the Auschwitz-Birkenau State Museum, identifies camps of Auschwitz I, Auschwitz II (Birkenau), and Auschwitz III (Monowitz).
 The satellite camps were named "Aussenlager" (external camp), "Nebenlager" (extension or subcamp), and "Arbeitslager" (labor camp).
 Some of them were less than ten kilometers away from the main camps, with prisoner populations ranging from several dozen to several thousand.
The SS command of Auschwitz concentration camp refers to those units, commands, and agencies of the German SS which operated and administered the Auschwitz concentration camp during World War II.
 Due to its large size and key role in the Nazi genocide program, the Auschwitz Concentration Camp encompassed personnel from several different branches of the SS, some of which held overlapping and shared areas of responsibility.
Miklós Nyiszli (June 17, 1901, Szilágysomlyó, Austria-Hungary – May 5, 1956, Oradea, Romania) was a Jewish prisoner at the Auschwitz concentration camp.
 Nyiszli, his wife, and young daughter, were transported to Auschwitz in June 1944.
 On arrival, Nyiszli volunteered himself as a doctor and was sent to work at number 12 barracks where he operated on and tried to help the ill with only the most basic medical supplies and tools.
 He was under the supervision of Josef Mengele, an SS officer and physician.
 Mengele decided after observing Nyiszli’s skills to move him to a specially built autopsy and operating theatre.
 The room had been built inside Crematorium II (Crematorium I being in Auschwitz Town camp), and Nyiszli, along with members of the 12th Sonderkommando, was housed there.

Question: Where did Miklos Nyiszil's supervisor at Auschwitz flee to after the war?
Answer: South America