The world's most generous donors
Billionaire Chuck Feeney signed the final check for his American Philanthropies charity earlier this year, handing over the last of his $8 billion (£6.2bn) fortune. The Irish-American uber-philanthropist isn't the only high-net-worther to have given away an entire fortune. Take a look at the socially-conscious millionaires and billionaires who donated the vast majority of their riches to good causes.