Question: What is the date of death of Rayner Unwin's father?
Sentence (from "Rayner Unwin"): Rayner Stephens Unwin CBE (23 December 1925 – 23 November 2000) was an English publisher, who served as the chairman of the publishing firm George Allen & Unwin, which had been founded by his father Sir Stanley Unwin.
Relevant evidence: Yes