Leona Helmsley (pictured being booked for tax evasion charges that led to a prison sentence).

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Unlike Leona Helmsley, Grant did not refuse interviews, nor did he defiantly cancel appearances like Michael Jackson.

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In fact, the only billionaire who appeals to readers less as a boss is the so-called Queen of Mean, Leona Helmsley .

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Notable past clients of Kaufman's include Leona Helmsley and Michael Milken .

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Enter tree lover Peter L. Malkin, a real-estate heavyweight perhaps best known for his lengthy battle with Leona Helmsley over control of the Empire State Building.

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Leona Helmsley, the "Queen of Mean, " has died of heart failure at the age of 87, surprising since many thought her heart had stopped working long ago.

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Leona Helmsley had the same problem.

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Helmsley was born Leona Mindy Rosenthal in upstate New York and grew up in Brooklyn.

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Helmsley divorced his then-wife and married Leona in 1972.

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