That is quite literally true. Mengele was actually financed from the Rockefeller foundation in the prewar years.
Edward Bernays was a Wilsonian progressive propagandist. Bernays (who was Jewish) wrote later in life that he was shocked that Joseph Goebbels was using his propaganda methods to manipulate the German people against the Jews.
For what its worth, Bernays was a nephew of Sigmund Freud.