Analysis of the year's biggest philanthropists.

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• The 2006 Slate 60 The 60 largest American charitable contributions of the last year.
  Rachael Larimore Feb. 16, 2007
  
• The 2006 Slate 60 The year's biggest charitable donations.
  Feb. 16, 2007
  
• The 2006 Slate 60: Pledges The 60 largest American charitable contributions of the year.
  Feb. 16, 2007
  
• The 2006 Slate 60: Donations The 60 largest American charitable contributions of the year.
  Feb. 16, 2007