Social researcher Wednesday Martin "caught wind of the underground network" while working on a book about practices among New York City's Park Avenue elite, the Post reported.

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Attending an elite undergraduate or graduate institution requires a certain test score level, which according to Charles Murray in his book Coming Apart: The State of White America, 1960-2010, translates into an IQ score well within the top 1% if the institution has high enough median scores.

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Just this week, members of Wall Street's elite toasted Mr. Rattner at a party at the Four Seasons restaurant in New York for the publication of his book on the auto bailout.

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