Frank E. Speizer

Frank Erwin Speizer (born 8 June 1935) is an American physician and epidemiologist, currently Professor of Environmental Health and Environmental Science at Harvard T.H. Chan School of Public Health, and Edward H. Kass Distinguished Professor of Medicine at Brigham and Women's Hospital, Harvard Medical School. He is best known for his work on two major epidemiological cohort studies: the Nurses' Health Study, which explored women's illnesses and health risk factors, and the Harvard Six Cities study, which definitively linked air pollution to higher death rates in urban areas.