A. Dirk Moses is Professor of Modern History at the University of Sydney. He is the author and editor of many publications on history, memory and genocide, including Colonial Counterinsurgency and Mass Violence: The Dutch Empire in Indonesia (2014, edited with Bart Luttikhuis) and the Journal of Genocide Research (senior editor). Lasse Heerten is head of the project ‘Imperial Gateway: Hamburg, the German Empire, and the Making of a Global Port’ at the Freie Universität Berlin. Prior to this, he was a Postdoctoral Fellow in Human Rights at the University of California at Berkeley. His first book, a global history of the humanitarian crisis in Biafra, will be published by Cambridge University Press.