David Koch obituary

US businessman, free marketeer and rightwing activist David Koch, who has died aged 79, was ranked as the eleventh richest person in the world. Charles wanted to minimise the role of government and maximise the role of the private economy … and personal freedoms, but the brothers philosophy was self-serving, protecting their worth and working against regulation of their business interests. David was the more public of the two, his philanthropy extending beyond the brothers massive spending on rightwing thinktanks, academic programmes, activist organisations and campaign funding; he was a major donor to the arts and medicine, especially in New York, where he maintained homes in Manhattan and the Hamptons. He moved between them, Aspen (Colorado), Palm Beach (Florida) and …