Five senior figures signed a letter to Downing Street pleading for ministers to stick to voluntary agreements rather than bring in new controls. The five were: John Sunderland, 58, chairman of food and drink group Cadbury Schweppes and head of the Food and Drink Federation, which represents hundreds of food manufacturers; Niall FitzGerald, 58, chairman of Unilever and President of the Advertising Association; David Felwick, 59, deputy chairman of the John Lewis partnership and chairman of the British Retail Consortium, representing supermarkets; Tim Bennett, 50, President of the National Farmers' Union; Bob Cotton, 55, chief executive of the British Hospitality Association,