Lionel Cust

Sir Lionel Henry Cust (25 January 1859 – 12 October 1929) was a British art historian, courtier and museum director. He was director of the National Portrait Gallery from 1895 to 1909 and co-edited ''The Burlington Magazine'' from 1909 to 1919. He was the father of Lionel George Archer Cust. Provided by Wikipedia