berenice proposed this verification method : Forbes edits this list each year.

berenice says This question is not so easy. Bill Gates gave enormous amount of money to his fundation, and Warren Buffet said he would do the same... The rating may change dramatically in 2008. (10/02/2008 20h39)

berenice has predicted Carlos Slim Helu, Mexico because Have a look at the most expensive face gallery of the world :-) (10/02/2008 20h46)

ericb (Leader of 'Warren Buffett, USA') has predicted Warren Buffett, USA because Bill is supposed to give almost all his money. (14/02/2008 22h53)

val has predicted William Gates III, USA (25/02/2008 21h52)

The question has ended: end of predictions, beginning of verifications 06/03/2008 22h03

ericb (Leader of 'Warren Buffett, USA') has validated Warren Buffett, USA because Congratulations to Warren! (06/03/2008 22h07)

ericb (Leader of 'Warren Buffett, USA') says Warren Buffett, 73 yrs, married, 3 kids: estimated wealth $42.9 bil! (not too bad)
Owns a Holding, Berkshire Hathaway which has participations in insurance (General Re, Geico), substantial stakes in American Express, Coca-Cola, Gillette, Wells Fargo! (06/03/2008 22h15)

vic has validated Warren Buffett, USA (16/03/2008 18h04)

Claud says SPAM (28/07/2008 00h13)