James John Joicey
James John Joicey FES (28 December 1870 – 10 March 1932) was an English amateur entomologist, who assembled an extensive collection of Lepidoptera in his private research museum, called the Hill Museum, in Witley, Surrey. His collection, 40 years in the making, was considered to have been the second largest in the world held privately and to have numbered over 1.5 million specimens.