yudkin retired from his professorship in 1971 and left the college in 1974. he continued to write research papers and books. "this nutrition business" appeared in 1976 (and was later translated into spanish), "a–z of slimming" in 1977, "eat well, slim well" in 1982, "the penguin encyclopedia of nutrition" in 1985 (later translated into french), and "the sensible person's guide to weight control" in 1990. he also continued to write popular articles in lay magazines, having by now become a household name. having been interested in israel for many years – soon after its foundation in 1948 he had been asked to advise on the nutritional problems experienced by the new state – he continued in his retirement as an active governor of the hebrew university of jerusalem. he also began to collect antiquarian books, specialising in medicine, nutrition and the culinary arts; after his death much of his collection was given to the national library of israel, jerusalem. he died in london on 12 july 1995.