Carl Icahn is the wealthiest of the new donors; his $11 billion net worth ranks him 24th on the Forbes 400 Richest Americans list.
Based on this analysis, it is worth ranking the utility of various classes of epitype in estimating epigenetic risk.
One question, for example, asked participants questions about their sense of self-worth, ranking how much they agreed on a scale of one to five with statements like "I tend to devalue myself".
The next time Eli Manning's worth, or rank, among N.F.L. quarterbacks is debated, games like the Giants' desultory 20-17 victoverover the Miami Dolphins on Sunday should be recalled.
Buffett's $66 billion net worth and rank as the third richest person in the world are largely due to his prowess in picking stocks.
The list, compiled by the Celebrity Net Worth website, ranks the world's 24 richest people of all time.
Job: chief executive, Microsoft Age: 53 Industry: digital media Turnover: $60.42bn Staff: 91,000 Worth: $11bn 2008 ranking: 7 If you can't buy them, beat them.
Job: founder, Virgin; largest shareholder, Virgin Media Age: 56 Industry: broadcasting, telecommunications Worth: £3.1bn 2006 ranking: 29 Few competitors stand toe-to-toe with Sky and live to tell the tale.
Job: founder, chief executive, Facebook Age: 27 Industry: digital media Staff: 2,000 Worth: $13.5bn 2010 ranking: 7 Status update: top of the MediaGuardian 100.
Job: co-founders and directors, Google Age: Brin 31, Page 32 Industry: new media Turnover: $3.19bn Staff: 3,021 Salary: $1 Worth: $10bn 2004 ranking: 20 Google is the ultimate new media success story.
