The history of epidemiology is often told through a handful of famous discoveries.
But the field was shaped by many scientists whose names rarely appear in textbooks.
Here are five women whose work had lasting influence on public health.
1️⃣ Alice Hamilton
Alice Hamilton was one of the first scientists to systematically study workplace toxins in the United States.
Her investigations into lead poisoning and industrial chemicals helped establish the field of occupational epidemiology.
2️⃣ Janet Lane-Claypon
Janet Lane-Claypon conducted one of the earliest case-control studies, investigating breast cancer risk factors in the 1920s.
Her work introduced methods that later became standard in epidemiology.
3️⃣ Mervyn Susser’s collaborator — Zena Stein
Zena Stein conducted influential research on reproductive health, HIV, and the long-term effects of prenatal famine exposure.
Her work helped establish life-course epidemiology.
4️⃣ Nancy Krieger
Nancy Krieger developed the ecosocial theory of disease distribution, which explains how social inequality influences population health.
Her work remains central to modern social epidemiology.
5️⃣ Lisa Berkman
Lisa Berkman demonstrated how social networks and community relationships influence mortality and chronic disease risk.
Her research helped establish the study of social determinants of health.
Epidemiology often advances through methodological innovation rather than dramatic discoveries.
Many of the methods used today — case-control studies, occupational exposure analysis, social epidemiology frameworks — were shaped by researchers who rarely receive public recognition.
Understanding the history of the field helps explain how epidemiology became the multidisciplinary science it is today.