This week's Mastermind comes from the Heritage Centre and Silk Museum in Macclesfield, where four more contestants answer questions put to them by quizmaster Magnus Magnusson. In the spotlight tonight are Stephen Pearson , John Gamons Williams, Dorothy Walker , and Miriam Collard. Their specialist subjects are the life and music of Ralph Vaughan Williams, Anglo-Saxon and Viking place names, the life and novels of Aldous Huxley , and the life of Owain Glyndŵr.