Billionaire Sam Zell who called himself 'Grave Dancer' dies at 81

Billionaire real estate investor Sam Zell, who called himself 'the Grave Dancer' for his bets on distressed assets, has died aged 81 due to complications from a recent illness. As per Forbes, his net worth was $5.2 billion. In 2007, Zell sold Equity Office Properties to Blackstone for $39 billion in one of the largest real estate deals ever.