Public Health On Call · Aug 24, 2026 · 23:31
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At the turn of the 20th century, waterborne diseases like typhoid and dysentery posed a significant threat to public health, accounting for a large part of infant mortality and overall morbidity. Enter Abel Wolman, an early graduate of Johns Hopkins' engineering program and a professor at the university's school of public health. In this episode: the story of the Baltimore-born pioneer of water sanitization and how his work in water chlorination and infrastructure set the stage for better health across the globe.
Note: This episode was produced in collaboration with the Johns Hopkins University sesquicentennial campaign.
Guest:Graham Mooney, PhD, is an associate professor of history of medicine and epidemiology at the Johns Hopkins School of Medicine.
Host:Ari Goldstein, MD, is a family medicine physician and a recent alum of the Johns Hopkins Bloomberg School of Public Health General Preventive Medicine Residency program. This year, Dr. Goldstein served a one-month rotation with Public Health On Call.
Show links and related content:Heroes of Public Health: Abel Wolman—Johns Hopkins Bloomberg School of Public Health
Friend of the Thirsty—New York Times
Episodes: Public Health On Call