The spirit of the times led an Austrian doctor to become interested in the development of Darwinist theories. The spirit of the times led him to apply studies of animal behavior to the progress of the human species. The spirit of the times made him place his research at the service of politics. The spirit of the times made him a mainstay of the theories underlying the Nazis’ deeds. The sprit of the times took him to the Eastern Front in the war against the Russians. The spirit of the times didn’t keep this Nazi scientist from winning the Nobel Prize in Medicine at the beginning of the 1970s. A novel that reflects on the most unnerving darkness of human nature.