Harold Arthur Lee-Dillon, 17th Viscount Dillon, CH, FBA, FSA (24 January 1844 – 18 December 1932) was an Englishantiquary and a leading authority on the history of arms and armour and medieval costume.
After leaving the regular army he devoted himself to antiquarian study, writing over fifty books and articles. He was chairman of the trustees of the National Portrait Gallery from 1894 to 1928. In the first year, his portrait was painted by Georgina Brackenbury.[6] He bequeathed to the trustees various portraits from Ditchley Park, Charlbury including the portrait of his ancestor Sir Henry Lee by Antonio Moro. He served as Curator of the Royal Armouries from 1892 to 1913.
^Margaret O'Sullivan, 'Brackenbury, Georgina Agnes (1865–1949)', Oxford Dictionary of National Biography, Oxford University Press, Oct 2015; online edn, Jan 2016 accessed 29 Oct 2017