two continued the Nazi ideal of "racial purification" and sterilization of unfit or unworthy individuals. The preservation and succession of the Nordic-rooted Aryan race was a profound theory and practice at the Institute. Aside from von Vershuer's twin research, Mengele and his mentor carried out "racial purity" interviews at the Institute and handed down sentences of sterilization to many patients as a requirement before their release. Together, they also conducted interviews of possible felons who had violated the Nuremberg Race Law, determining whether a person was truly of Jewish descent. His work brought him closer to agreement with the Nazi ideals that he had once ignored. Within five months of his employment at the Institute, Josef joined the Nazi party, NSDAP member 5574974. A year after his membership, Mengele was accepted into the elite SS (Schutszshaffel), owing to his family's racially pure and untainted history as well as his unquestionable devotion to the racial purity of the Aryan race. When admitted to this small army of Hitler's racial guardians, Mengele opted to not have his blood type tattooed onto his arm; an act that would save his life in the years to come. In the same year, the Frankfurt Institute awarded Mengele his medical degree, an award that could have possibly been granted due to his party affiliation, connections with high reaching Nazi officials, and his Nazi friendly mentor, who adored Josef and his commitment to the party.In July of 1939, Mengele finally married his long time love, Irene, after a tedious inspection of his fiancs family lineage of racial purity. After long debate over her legally inexistent Aryan great-grandfather, the marriage was allowed, however it was never considered a pure Aryan marriage, and his children would not be considered "pure." He and his wife would never receive any presents from Himmler for each child produced. Weeks later, as war broke out, Josef became eage...