Aiko Ikeo is a historian of Japanese economics and economic thought. She has been working on the history of economic science and the internationalization of economics in the twentieth century with a focus on the Japanese contributions to the international community for two decades. Recently she has become interested in the economics of Tameyuki Amano (1861–1938) and the scientific thinking of Sontoku Ninomiya (1787-1856). She published Japanese books including Akamatsu Kaname (Nihonkeizaihyoronsha, 2008), A History of Economics in Japan (Nagoya University Press, 2006) and The Network of Economists in the Twentieth Century (Yuhikaku, 1994). She has edited Economic Development in Twentieth Century East Asia (Routledge, 1997) and Japanese Economics and Economists since 1945 (Routledge, 1999).