Professor Megan Vaughan is Professor of African History and Health at the Institute of Advanced Studies, UCL. She previously held positions at the Universities of Cambridge and Oxford and began her academic career teaching at the University of Malawi. Her interdisciplinary work has mostly focused on the history of environment, agriculture, nutrition and gender in Malawi and Zambia. She has also published on the history of colonial medicine and psychiatry and on slavery in the Indian Ocean. Her most recent collaborative research, funded by the Wellcome Trust, examined the social and historical aspects of ‘chronic’ disease in sub-Saharan Africa (Vaughan, Adjaye-Gbewonyo and Mika eds, Epidemiological Change and Chronic Disease in Sub-Saharan Africa, UCL Press, 2021).