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Ghost Map by Steven Johnson
Ghost Map by Steven Johnson









Ghost Map by Steven Johnson Ghost Map by Steven Johnson

Also, in nature, microbes recycle waste so that life can continue. In the Middle Ages, farmers recycled waste to help their soil grow better plants and food. The city was filled with people who sorted through trash at night because it was profitable to do so they had become an important part of society for disposing garbage.

Ghost Map by Steven Johnson

In short, the scavengers lived in a world of excrement and death. Pure finders made their living collecting dog excrement while bone pickers picked meat off thrown away carcasses. There were three kinds of scavengers: pure-finders, toshers and bone-pickers. In the 19th century, there were a lot of poor people in London who survived by going through trash.

Ghost Map by Steven Johnson

The reason the cholera body count hadn’t grown exponentially was that only the Lewis family could access the cesspool-therefore, baby Lewis’s waste was the only source of cholera in the well, and the cholera agent wasn’t growing exponentially.1-Page Summary of The Ghost Map Overall Summary Chapter 1 Whitehead realized that the surveyor had answered his objections to Snow’s theory. Earlier investigations had missed the cesspool connection, perhaps because they were too focused on miasma. He commissioned surveyors to examine the cesspool, and the surveyor found that it had, indeed, leaked into the well. Whitehead realized that the baby’s cholera evacuations must have been deposited near the Broad Street well. Whitehead interviewed Sarah Lewis and learned that she’d thrown soiled diapers into a cesspool. While studying the data, he came across the medical report for baby Lewis, who’d experienced diarrhea before dying. He began searching for an “index case”-i.e., the earliest cholera victim of 1854. As the data about the cholera outbreak continued to pile up, Whitehead began to believe Snow’s theory.











Ghost Map by Steven Johnson