D.P. Graham has a background in research and is a qualified historian. He has lectured on various aspects of the seventeenth-century Irish Military establishment, as well as its development in mainland Europe and the Wild Geese Irish exiles . He is the author of Enniskillen and The Battle of Newtownbutler and The Hamiltons in Ireland, England and France, 1610-1719. He lives in County Antrim with his wife and two daughters, and likes to ensure that he is never too far away from the sites where the events took place.