Das Milliardenversprechen
Ralph Gladitz
2012
Warren Buffett and Bill Gates launched an unusual campaign in June 2010: both agreed to donate half of their fortunes to charity. The filmmakers followed multi-billionaire Warren Buffett for 18 months...
Ralph Gladitz
2012
Warren Buffett and Bill Gates launched an unusual campaign in June 2010: both agreed to donate half of their fortunes to charity. The filmmakers followed multi-billionaire Warren Buffett for 18 months...
