Kate Kitagawa is a leading expert on the history of mathematics, and is Senior Counselor for International Relations (Advisor to Senior Vice President) for the Japan Aerospace Exploration Agency (JAXA). She earned a PhD from Princeton University, taught history at Harvard University, and has worked for Japan’s Ministry of Foreign Affairs and the Permanent Mission of Japan to the United Nations. Her first book was a national bestseller in Japan, and she has been named one of the 100 most influential people in Japan by Nikkei Business.