He was tried in Nuremberg, the Soviets demanded the death penalty, but Norman Montagu pulled some strings, so the British somehow convinced the Soviets that Montagu’s friend should be released. After that, he was sentenced to several years in prison in Germany, but he was released after a couple of years because some strings were pulled again.
Apparently, in your comic ignorance, you have not even heard of the famous case of the first edition of the book Tragedy And Hope – A History Of The World In Our Time written by Carol Quigley, a Georgetown University history professor who would later mentor Bill Clinton. So, the entire first edition of the book was immediately withdrawn from sale, even the printing plates were destroyed. The book was then reissued a few years later, but in a censored edition, where one of the missing parts was the one about the two friends Norman Montagu and Hjalmar Schacht and the creation of the Bank for International Settlements (BIS).
Alas, some things presented by Professor Carol Quigley in his book did not quite fit into that fairy tale with good and noble princes and princesses…