Complex sentence: Judith Emilie Egerton (7 August 1928--21 March 2012) was an Australian-born British art historian and curator who specialised in eighteenth-century British art and particularly the work of George Stubbs.
Split into simpler sentences: Judith Emilie Egerton (7 August 1928--21 March 2012) was an Australian-born British art historian and curator. She specialised in eighteenth-century British art and, particularly, the work of George Stubbs.