Earlier quoted context omitted.
Eric Raymond had an interesting take on the link between autism and exceptional achievement (if you can get past his ego). http://esr.ibiblio.org/?p=7060 In short, the time and energy normally spent on social interaction instead is spent on other aspects of life.
>if you can get past his ego Sorry, I can't. >I was thought to be a child prodigy with exceptional mathematical gifts; in 1975 I was the first high-school student in the institution’s memory to present original research at the annual meeting of the American Mathematical Society. Unusually large working memory, check. I’m pretty sure the authors would consider me a genius, unless they know a lot of people who have bee…
jere, you do make a good point that there is more to it than just having free time and energy. e.g. There is also the "systemising" impulse often seen in high-functioning autistic individuals that seems suited to success in modern times.