Nakatsu Masaya is PhD in history (University Paris-Diderot). His doctoral dissertation dealt with the French military missions sent to Japan in the second half of the nineteenth century. He is interested in different aspects of the history of French-Japanese relations. He is currently teaching at Ritsumeikan University (Kyoto). As a member of the Society of the History of Japanese-French Relations (Nihon Futsugakushi Gakkai), he has published several articles in its journal (Furansu-gaku Kenkyū) on the second French military mission and the foundation of Japan’s military school (2014), Auguste René Angot, the veterinarian of the French mission, and the development of Western veterinarian medicine in Meiji Japan (2015), and the relations of Prince Kan’in-no-miya Kotohito with France (2016).