Aprajita Sarcar is Postdoctoral Dellow in the Laureate Centre for History and Population, University of New South Wales, Australia. She has previously held a postdoctoral position in the Centre de Sciences Humaines, New Delhi. She works on everyday governance of reproductive health and population control programme in postcolonial India. Her work is on the intersection of health, gender and urban histories of South Asia.Aya Homei is Reader in Japanese Studies at the University of Manchester, UK. She is also a Vice President of the International Union of History and Philosophy of Science and Technology's Division of History of Science and Technology (IUHPST/DHST) Commission on Science, Technology, and Division, and an editor of East Asian Science, Technology and Society: An International Journal. She serves as a commissioned researcher for the Japanese government’s National Institute of Population and Social Security Research and the author of Science for Governing Japan’s Population.Alison Bashford is Scientia Professor of History at UNSW, Sydney, Australia. Previously she was Vere Harmsworth Professor of Imperial and Naval History, University of Cambridge, UK, and is Fellow of the British Academy. Bashford is an award-winning historian, her most recent book The Huxleys: An Intimate History of Evolution, won the Nib Literary Award and was shortlisted for the Cundill History prize, and the Hughes Award, British Society for the History of Science. She was awarded the Dan David Laureate Prize (2021) for her contributions to the history of medicine. Bashford is a regular broadcaster on BBC and ABC, including The Science Show and Start the Week (Radio 4), and is commissioned to write for UnHerd, Times Literary Supplement, The New Humanist, LA Review of Books, The Lancet, London Review of Books.