Alex Mankoo is a Lecturer in Public Policy at the University of Sussex. His research interests include the history of chemical and biological weapons, intersections between science and security, and the sociology of security technologies more generally. His PhD research was funded by the Economic and Social Research Council (ESRC) and focussed on the technological trajectory of teargas in mid-20th century Britain and the types of legitimacy it gained during this period. Brian Rappert is a Professor of Science, Technology and Public Affairs at the University of Exeter. His long-term interest has been the examination of the strategic management of information; particularly in the relation to armed conflict. His books include Controlling the Weapons of War: Politics, Persuasion, and the Prohibition of Inhumanity; Biotechnology, Security and the Search for Limits; and Education and Ethics in the Life Science. More recently he has been interested in the social, ethical, and political issues associated with researching and writing about secrets, as in his books Experimental Secrets (2009), How to Look Good in a War (2012) and Dis-eases of Secrecy (2017). For more information see http://brianrappert.net/