Dr. Striegel shows a picture of and mentions, Dr. Mengele. At the time of this episode, 1983, the status of Nazi 'Doctor of Death' Josef Mengele was unknown. Originally believed dead after WWII there was many rumors he was still alive and spotted in South America through the years. Nazi hunters and Israeli Mossad had come close many times, but in 1985 a body was exhumed and positively identified as Mengele in Brazil. He had died in 1979 after suffering a stroke while swimming and drowned.
Eugenics, or the building of a better human or master race is a school of thought that can be traced to nineteenth century Europe.