Slate and the Chronicle of Philanthropy research and compile
The Slate 60, an annual list of the 60 largest American charitable contributions of the year. The 2008 list, which saw total donations up two-fold from 2007 at $15.78 billion, includes Michael Bloomberg, who donated $235 million to 1,200 nonprofit groups; and the Perot family, who pledged $50 million to the Musuem of Nature & Science in Dallas.
This year's listing had a record eight of the top 11 gifts registered as bequests, including the top donation from the late Leona Helmsley at $5.2 billion and the late James LeVoy Sorenson's $4.5 billion gift at No. 2.