Who is Winston Churchill from The Eye in the Door and what is their importance?

Winston Churchill served as England's Prime Minister from 1940 - 1945 and from 1951 until 1955. Churchill makes one appearance in the novel. In Chapter 4, Billy Prior sees Charles Manning chatting with Churchill and Edward Marsh while waiting for an elevator. In addition, Manning and Prior discuss a possible homosexual connection between Marsh and Churchill in the final chapter of the novel.