This sounds like the same question as why are there so few top-notch women in STEM fields, why there are so few women listed in Human Accomplishment's indices*, why so few non-whites or non-Asians score 5 on AP Physics, why...
In other words, here be dragons.
* just Lady Murasaki, if you were curious. It would be very amusing to read a review of The Tale of Genji by Eliezer or a LWer. My own reaction by the end was horror.
That's absolutely true. I've worked for two US National Labs, and both were monocultures. At my first job, the only woman in my group (20 or so) was the administrative assistant. At my second, the numbers were better, but at both, there were literally no non-whites in my immediate area. The inability to hire non-citizens contributes to the problem---I worked for Microsoft as well, and all the non-whites were foreign citizens---but it's not as if there aren't any women in the US!
It is a nearly intractable problem, and I think I understand it fairly well, bu...
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