The Johnstown Flood

Mary Mallon became known as Typhoid Mary in the early 20th century. She has often been vilified in in modern references, though her story is actually quite complex. Research: "Mary Mallon." Encyclopedia of World Biography Online, vol. 21, Gale, 2001. Gale In Context: Opposing Vie ...  Show more

This 2022 episode examines the development of a systematic approach to food safety, which didn’t happen until the 20th century. And it's tied directly to NASA trying to make sure astronauts didn’t get food poisoning in space.See omnystudio.com/listener for privacy information. 

It’s May, 30th 1889, and the South Fork Dam in Western Pennsylvania is in danger. After nearly a month of hard rain, eight inches have fallen in one day, filling the lake behind the dam to capacity. And the dam’s owners, the South Fork Hunting and Fishing Club, have cut corners i ...  Show more

May 31, 1889. It’s raining in Johnstown, PA, causing some small flooding. But the townsfolk were used to it – this city of 30,000 was nestled in a valley between two rivers. What happened next was something every person in Johnstown feared, but hoped would never come true. The ol ...  Show more

Despite the efforts of engineer John Parke, the South Fork Dam does break. The ensuing flash flood sweeps up a vast, moving wall of debris: mud, rocks, trees, fragments of bridges and smashed-up houses. Residents in Johnstown, including Reverend H.L. Chapman and his family, have ...  Show more

Editors Note and Content Warning: This episode was recorded in June before the devastating floods that took place in Texas on July 4th. Listeners should be aware that this episode includes descriptions of mass death, including children. Please take care while listening. Our heart ...  Show more