Continuing the Sound of Cinema season, Ian Christie on the 1943 Powell and Pressburger film The Life and Death of Colonel Blimp, a film that has been called Britain's answer to Citizen Kane.

Ian Christie knew Michael Powell and Emeric Pressburger well, and was instrumental in bringing their films to a new audience in the 1980s. Here he looks at their unusual relationship through one of their greatest films.

Michael Powell and Emeric Pressburger, together known as The Archers, were one of the most influential and audacious film-makers of the 1930s and 40s. Their groundbreaking works include: 'The Red Shoes', 'The Life and Death of Colonel Blimp', 'A Matter of Life and Death' and 'Black Narcissus'.

Ian Christie is an acclaimed film scholar, who has written several works on the films of Powell and Pressburger.

Producer: Justine Willett.