Sir Muir Gray is one of Britain's most experienced medical figures. He was the founding Director of the UK National Screening Programmes, and his main focus has been on the prevent...view moreSir Muir Gray is one of Britain's most experienced medical figures. He was the founding Director of the UK National Screening Programmes, and his main focus has been on the prevention of diseases, particularly in older people. Formerly a professor in the Department of Primary Care at Oxford University, he is now Director of the Optimal Ageing Programme leading a national plan for Living Longer Better.view less