Biography from 2013: https://www.powells.com/book/billionaire-who-wasnt-how-chuck...
The last time he was reported as giving away "the last of his fortune", in the NY Times, 2017: https://www.nytimes.com/2017/01/05/nyregion/james-bond-of-ph...
NY Times at $1B left in 2014: https://www.nytimes.com/2014/11/01/your-money/a-billion-to-s...
At $1.5B left: https://www.nytimes.com/2012/08/08/nyregion/a-billionaire-ph...
NYT on his secrecy in 2007: https://www.nytimes.com/2007/09/26/nyregion/26about.html
Series when he was outed in 1997 while trying to remain anonymous: https://www.nytimes.com/1997/02/02/business/lone-rangers-of-..., https://www.nytimes.com/1997/01/26/weekinreview/they-gave-mi..., https://www.nytimes.com/1997/01/24/nyregion/quiet-man-with-b..., https://www.nytimes.com/1997/01/23/nyregion/a-man-who-repaid..., https://www.nytimes.com/1997/01/23/nyregion/he-gave-away-600..., https://www.nytimes.com/1997/01/23/nyregion/giving-a-fortune...
Biography from 2013: https://www.powells.com/book/billionaire-who-wasnt-how-chuck...
The last time he was reported as giving away "the last of his fortune", in the NY Times, 2017: https://www.nytimes.com/2017/01/05/nyregion/james-bond-of-ph...
NY Times at $1B left in 2014: https://www.nytimes.com/2014/11/01/your-money/a-billion-to-s...
At $1.5B left: https://www.nytimes.com/2012/08/08/nyregion/a-billionaire-ph...
NYT on his secrecy in 2007: https://www.nytimes.com/2007/09/26/nyregion/26about.html
Series when he was outed in 1997 while trying to remain anonymous: https://www.nytimes.com/1997/02/02/business/lone-rangers-of-..., https://www.nytimes.com/1997/01/26/weekinreview/they-gave-mi..., https://www.nytimes.com/1997/01/24/nyregion/quiet-man-with-b..., https://www.nytimes.com/1997/01/23/nyregion/a-man-who-repaid..., https://www.nytimes.com/1997/01/23/nyregion/he-gave-away-600..., https://www.nytimes.com/1997/01/23/nyregion/giving-a-fortune...