Christopher Frank 5 December 1942 Beaconsfield Buckinghamshire UK 19 November 1993 Paris France was a Britishborn French writer screenwriter and film director He won the 1972 Prix Renaudot for his novel La Nuit américaine that served the basis for Andrzej Zulawskis film That Most Important Thing Love Source Article Christopher Frank from Wikipedia in English licensed under CCBYSA 30