Didn't germany also experience severe brain drain around, oh, the late 1930s or so?
Something about ... people with the common sense and sufficient means to survive elsewhere fleeing in droves because they saw the writing on the wall and knew shit was about to get ugly?
Read your physics textbook. There were so many S tier German physicists in the first part of the twentieth century. They remade physics in their own image.
And a whole bunch of them left in the 30s. Quite a few ended up working on the Manhattan project. Werner Heisenberg didn't leave, and eventually headed up the Nazi nuclear weapons program.
That’s how the world got international style architecture and modernist design. All those left-leaning Bauhäuslers who literally didn’t have a future in the thousand-year Reich.
Apparently the largest collection of Bauhaus architecture is in Tel Aviv.
Get into Canada to help us force our two establishment parties Conservatives and Liberals to pass proportional representation without a referendum so we can end this two party nonsense with only 2 choices either fascism or neoliberalism. We need to get wages of 1950s back through the build up of unions and fix all the social issues of our time.