[perihelions]

Here's a remarkable quote: "The Cauchy-Goursat theorem arouses intolerable displeasure in us Germans".

https://en.wikipedia.org/wiki/Ludwig_Bieberbach

https://www.tabletmag.com/sections/arts-letters/articles/hit... ("How German Mathematicians Dealt With the Rise of Nazism" (1967 / 2016))