The Ghost Map — Steven Johnson presentation
Cholera, London, 1854.
Maps, math, reason, and persistence.
Steven Johnson’s TED talk on the outbreak and John Snow’s wonderful persistence in discovering the cause:
My earlier post on the heroic John Snow: Two cautionary tales about cholera, the plague, and politics.
Gar Reynolds of Presentation Zen comments on Johnson’s presentation here.
Tags: Broad Street, Cholera, John Snow, Presentation Zen, Steven Johnson
