As Buffett ponts out, the owners of these institutions were not bailed out.

FORBES: Buffett Says CEOs and Directors Of Failed Banks Have Gone Unscathed

We have not included dispersed fortunes (as in those of the Du Ponts) when individual net worths are below our minimum.

FORBES

Knight had no option but to withdraw from the E3 Class opener in Ponts, Spain after he was left in agony.

BBC: David Knight facing lengthy lay-off after groin injury

And not all the racers are du Ponts or multimillionaire trial lawyers.

FORBES: A billionaire is just another sailor

In our 400 you will find no Fords, Du Ponts or Morgans.

FORBES: Magazine Article