Andi Johnson is a Senior Lecturer in the History & Sociology of Science Department at the University of Pennsylvania. Andi specializes in the anthropology and history of science and medicine. Her research tracks the rise of exercise physiology in the U.S. from the 1920s and explores the transnational networks and practices through which exercise physiology travels today. Andi teaches undergraduates in the Health & Societies major and Science, Technology, & Society major at Penn. Subjects include: the history of health insurance in the U.S., the social basis of health and illness, and different ways of knowing in science and sport. Andi has graduate degrees in Anthropology and in the History and Sociology of Science.