Real estate investor
Passed away: June 24, 2010
Wealth-X (Est.): $1 billion
Potential tax uncollected: $450 million
NEXT: George Steinbrenner
Last updated December 22 2010: 5:34 AM ET
*Net worth figures from Wealth-X. **Assuming tax liability hasn't been reduced by trusts and charitable deductions. N.A.: not available