The Campaign for Wool conference. The Prince of Wales (centre), also known as the Duke of Rothesay, speaks with model David Gandy (right) and M&S CEO Steve Rowe at Dumfries House in Ayrshire, where the Prince will address a wool conference. Picture date: Friday September 9, 2016. The Campaign for Wool emphasizes the wool industry's commitment to environmental excellence and animal welfare. See PA story ROYAL Charles.