In Germany in the 1930s, modern science was exploring the limits of what can be known, at the same time the Nazi political movement was claiming absolute knowledge.

Just weeks after the Munich Agreement avoided a war, Germany was wracked by a spasm of internal anti-Semitic violence.

Adolf Hitler was gearing up for an invasion of Czechoslovakia. Then Neville Chamberlain intervened.

Hitler's first step on his plan to expand Germany to the east was to annex Austria.