The Royal Naval Engineering College in Plymouth, which is celebrating 100 years of existence, is the venue for this fifth heat. The contenders are:Sheila Denyer (laundry worker): The BibleJosephine Lawrey (housewife): Italian Painting, Masaccio to Michelangelo Ken Smith (buyer): Kings and Queens of England, 1066-1485Ingram Wilcox (civil servant): The Crusades, 1095-1192