Ian Kumekawa is a Ph.D. candidate in the History Department at Harvard. His work focuses on the history of economic thinking in the late 19th and early 20th centuries. He obtained his MPhil from Cambridge in 2013 and his A.B. from Harvard College in 2012. His recent book, The First Serious Optimist, examines the intellectual origins of welfare economics, focusing specifically on its founder, Cambridge economist A.C. Pigou (1877-1959). Ian's dissertation will examine the implications of government planning during World War I for the subsequent shape of the economy and for economic thought.