During the 1970s, British cinema produced dozens of sex comedies, of which the director Bob Kellett, who has died aged 84, was something of a master. Kellett's films superseded the Carry On series, whose innuendo had become smuttier and less funny, and predated the more vulgar Confessions movies. They were in the tradition of Donald McGill's saucy seaside postcards, which George Orwell had extolled as being "symptomatically important as a sort of saturnalia, a harmless rebellion against virtue".
Kellett, who was born in Lancaster, went to Bedford school, where he was captain of the rowing team. After school, he had various jobs, including growing and selling orchids, selling encyclopedias, and writing for an advertising agency, before entering the film industry in the early 50s. After working on several features as script editor for the producer Ian Dalrymple at Pinewood Studios,