There is one good example of an unschooled mathematician:Ramanujan. The lack of need for special equipment in maths probably has something to do with it.
Yes, he is definitely an exception. Unfortunately, I cannot think of anyone else in the last 100 years. Possibly because these days anyone brilliant like that ends up in the system. Which is a good thing, if true.
Another month has passed and here is a new rationality quotes thread. The usual rules are:
And one new rule: