In 2010, billionaires Warren Buffett and Bill Gates challenged other very wealthy Americans to commit themselves to giving at least 95% of their wealth to charities, creating The Giving Pledge.
The collection consists of letters or statements from 62 persons agreeing to Warren Buffett's and Bill Gates's challenge to donate 95% of their wealth to charities.
Giving Pledge Letters, 2010-2015, Archives Center, National Museum of American History
2015.6001 (NMAH loan no.)
Research access on site by appointment. Some of the letters contain addresses or other private information and access is restricted to photocopies. The letters can be viewed at http://givingpledge.org/ . The letters are alphabetically arranged, most often with a photo of the donor