Lol, Asia is a big and diverse place. Are you really claiming that American society is more primitive than that of farmers in the arse end of Gansu?
Hint, one of those areas is more likely to have flush toilets.
Book is a bit heavy going but well worth a read
The story of Srinivasa Ramanujan fits your sentence, although early 20th C. He studied mathematics from a revision book he had access to in a small place in India then wrote a letter to GW Hardy a professor at Oxford with a range of new and strange results but expressed in the idiom of the revision book.
Some parts of East and Southeast Asia might have been working on paving roads and building schools even just one generation ago. To think they still are "like that" is legitimately an insult to them. That part is largely done and they're moving on.