Given the title of the book, I expected to read more about the famous map. But it turns out that not only was the map not a crucial analysis tool, others had actually drawn similar maps of the outbreak before Snow. For all we know, Snow only drew a map long after the end of the outbreak to illustrate his argument in a report and in the second edition of his monograph on the cholera. The famous map served as a communication tool, rather than as a way to discover the cause of the outbreak.
The book demonstrates in great detail the many steps it took for Snow to come up with his theory, collect evidence, perform experiments, etc., in order to get to the point where he knew what he was looking for when the 1854 outbreak occurred. Snow’s great
The book demonstrates in great detail the many steps it took for Snow to come up with his theory, collect evidence, perform experiments, etc., in order to get to the point where he knew what he was looking for when the 1854 outbreak occurred. Snow’s great