roblem. They announced the search for, "the most competent engineer of the time who was available for the position of the chief engineer" (130). As mentioned earlier, Ellis Chesbrough was the engineer they chose to solve their sewage problem.
             Chesbrough was aided by George Pullman, who would later build the railway car. Chesbrough is known for one of the most ambitious engineering projects of the nineteenth century. Sewer lines were inserted beneath buildings, and there were main lines running down the center of the streets. The entire city was lifted almost ten feet. The sewers removed the waste from people's basements, but then it had poured itself into the drinking water supply.
             Then came something called the germ theory. Hungarian physician Ignaz Semmelweis proposed that doctors and surgeons wash their hands before attending to their patients. He had later discovers that physicians and students were going back and forth between delivering babies and doing some research in morgues that some infectious disease was being transmitted. The transmitted disease was going from the corpses to new mothers.
             A New Jersey doctor, John Leal, had an interest in public health. He was convinced that chlorine could rid water of dangerous bacteria without posin
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