Heini Hakosalo is a Senior Research Fellow in the History of Sciences and Ideas at the University of Oulu, Finland. She specializes in the history of medicine and health and has published on the histories of brain sciences, medical education, tuberculosis, birth cohort studies, and the relationship between urban planning and epidemics. She is the co-editor of In Pursuit of Healthy Environments: Lessons from Historical Cases on the Environment-Health Nexus (2021).Katariina Parhi works as a Post-doctoral Researcher at the Academy of Finland Centre of Excellence in the History of Experiences at Tampere University, Finland. Her publications deal with the history of psychiatry, social control, and cohort studies, and include two Finnish-language books on the history of psychopathy and history of drug treatment systems, respectively.Annukka Sailo is a Post-doctoral Researcher in the History of Sciences and Ideas at the University of Oulu,Finland. She has studied the history of post-war social and behavioral sciences, focusing on US debates on territorial aggression, and is currently researching the connection between urban planning and epidemiology in history.