In this episode of Vox Almanac, Vox’s Phil Edwards explores the story behind Dr. John Snow’s famous map of the Broad Street pump. In 1854, news spread about a mysterious new cholera outbreak ...

Dr. John Snow is not the first man to be honoured for valorous acts he never accomplished, ... the first “spot-map” of a disease outbreak arguing etiology was created by Valentine Seaman in 1798 in a ...