 His autobiography, "Seeing Things", was published in 2000, and after Oliver died in 2008 his son Daniel wrote an afterword which was added at the end of the book.He is distantly related to the Australian-born writer and academic Coral Lansbury, whose son Malcolm Turnbull became the 29th Prime Minister of Australia.Postgate died at a nursing home in Broadstairs, near his home on the Kent coast, on 8 December 2008, aged 83.