
Ranking: 17
Worth: £250m
Industry: Mining and football
Farmers son Dobson, 59, learnt his mining skills in Canada and has a gold mine and exploration company there. He struck gold when he sold his Manchester United shares for £31m and is now gambling on finding oil in the Falklands. But the Scotsman reckons we overvalued him last year so we cut him to £250m.
Ranking: 7
Worth: £550m
Industry: Mining and football