David Pratt was a consultant general and vascular surgeon at St James’s University Hospital, Leeds. He studied medicine in Leeds, where he had a distinguished undergraduate career, gaining first class honours and graduating with distinctions in surgery and forensic medicine. After house appointments

Jill Evans was born in London on 20 November 1929, the daughter of Donald Evans, an insurance officer and antiquarian bookseller, and Margaret, née Thompson. She was educated in Devon, and later at Brentwood High School, from where she obtained a scholarship to Girton College Cambridge. She later un