Analysis of information sources in references of the Wikipedia article "Werner Fenchel" in English language version.
Many scientists in Germany lost their jobs after the Nazi Machtübernahme in 1933. Fenchel was one of them. It seems appropriate to describe in some detail this development, which is of interest also because of the general decline of science and culture in Germany. See also Gordin (2015: Chapter 7, Unspeakable)