William LeFanu

William Richard LeFanu FSA (9 July 1904 – 1 April 1995) was an Irish librarian who worked for almost forty years as librarian at the Royal College of Surgeons in London.
He was born in Ireland, the son of Thomas Philip Le Fanu and his wife Florence Sophia Mabel (née Sullivan). He was educated in England at Eton and King's College, Cambridge.
In 1930 he married the composer Elizabeth Maconchy (later Dame Elizabeth Maconchy); they had two daughters, Elizabeth Anna (known as Anna, born 1939) and Nicola LeFanu (born 1947).