Folks may have seen this already, but I saw this article in The Times while on assignment in London last week. My very loose takeaways at the time were that that IQ and income are somewhat correlated but that IQ and wealth are not (may need to check out links below and trace academic paper[s] to find the precise statistical findings). Also interesting was this piece of text from The Times article:

Most of the richest people in Britain, for example, are not salaried, but rather have amassed their fortunes as entrepreneurs or by inheritance.

Related posts: Paul Kedrosky via Paul Brown hat tip.