The Ghost Map: The Story of London's Most Terrifying Epidemic-and How it Changed Science, Cities, and the Modern WorldThe Ghost Map refers to a map of a city neighborhood created by pioneering British doctor John Snow in 1854. Graphically marking deaths from a cholera epidemic, the map helped pinpoint the source of the disease outbreak and eventually led to reforms in city sanitation and a better understanding of water borne illness. Mr. Johnson discusses his book and takes questions at the Columbia University bookstore in New York City.Steven Johnson is the author of five books including Everything Bad is Good for You, Mind Wide Open: Your Brain And The Neuroscience Of Everyday Life, Emergence: The Connected Lives of Ants, Brains, Cities, and Software, and Interface Culture: How New Technology Transforms The Way We Create And Communicate. Mr.Johnson is a Distinguished Writer In Residence at New York University.moreless
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