248. Diane Kemper
$3.1 billion self-made score: @ source: real estate age: 72 residence: new york city high school diploma Each of the 4 Goldman siblings inherited a quarter of Solil Management, a real estate firm with some 400 New York City properties, including the landmark Peninsula Hotel and an area of Midtown Manhattan that includes the Olympic Tower. Their father, Sol Goldman (d. 1987), was once New York’s biggest landlord and bought most of the buildings in all-cash deals. Jane and Allan are cochairs of Solil. The family has endowed the deanship at Yale Law School, one of the first law schools to accept women.