Christchurch College, Canterbury, is the setting as four more contenders do battle for a semi-final plam in Mastermind 1983.CVertne de Vito (schoolteacher): Works of Christopher IsherwoodJohn Edmond (computer systems project manager): Life of Margaret of AnjouPatricia Erridge (civil servant): OperaRobert Peters (minister of religion): Life and Times of Archbishop William Temple