How they give back

The largest donations in U.S. history.

1 of 12

1. Warren Buffett

Year: 2006

Source of wealth: Berkshire Hathaway

Recipient : Bill and Melinda Gates Foundation

Amount: $30 billion *

*Donation to be made in Berkshire Hathaway shares over time, so final donation is contingent on share prices.

Source: Center on Philanthropy, Indiana University

Almanac of American Wealth

Who's got it and how they're spending it. (more)

The richest Americans

10 plutocrats, ranked by heir total wealth as a fraction of U.S. GDP. (more)

Wealthy eccentrics

Sometimes the rich are a little different. (more)

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