Gregory Hanlon is a French-trained behavioural historian of the early modern period. He has written books on religious history in France, rural history in Italy, and three books on the involvement of Italy and Italians in the great wars of the early modern era. All this work is directly influenced by the social and behavioural sciences, from psychology, to anthropology and sociology, to primatology and human ethology, all of which examines the behaviour of people in the early modern era in the light of neo-Darwinian thinking.