Dr. Mary Augusta Brazelton is a University Senior Lecturer in the Department of History and Philosophy of Science at the University of Cambridge. She is concurrently an affiliated lecturer in East Asian Studies at the Faculty of Asian and Middle Eastern Studies, an associate member of the World History Subject Group in the History Faculty, as well as a Trustee and Research Fellow of the Needham Research Institute.

Receiving a Ph.D. in History from Yale, her studies delve into the historical intersection of science, technology, medicine in China and around the world. Her 2019 book, Mass Vaccination: Citizens' Bodies and State Power in Modern China, examines the history of mass immunization in twentieth-century China.

Brazelton is Director of Studies for History and Philosophy of Science at Lucy Cavendish and St Catharine's Colleges. Additionally, she is a Council member of the British Association of Chinese Studies and the British Society for the History of Science.