Sarah C. Dunstan is a Lecturer in the International History of Modern Human Rights at the University of Glasgow. Her first book, Race, Rights and Reform: Black Activism in the French Empire and the United States from World War One to Cold War (Cambridge, 2021), won the American Historical Association's 2022 J. Russell Major Prize. She is also a co-editor of the award-winning Women's International Thought: Towards a New Canon (Cambridge, 2022). Ian Stewart is a Marie Skłodowska-Curie Fellow at the École des hautes études en sciences sociales (EHESS) in Paris. Previous publications include The Celts: A Modern History (2025), and his work on ideas of language, nation, and race can also be found in journals such as Past & Present and the Journal of Modern History, among others.