What's puzzling, really? Prior to WWII, the USA were hardly a "beacon of knowledge". They were still a young country and most scientific advancements originated

What's puzzling, really? Prior to WWII, the USA were hardly a "beacon of knowledge". They were still a young country and most scientific advancements originated from Europe. See also: https://news.ycombinator.com/item?id=26840948 https://news.ycombinator.com/item?id=26840948