John Roebling was a believer in hydropathy, the therapeutic use of water. Come headaches, constipation, the ague, he would sit in a scalding-hot tub for hours at a time, then jump out and wrap up in ice-cold, slopping-wet bed sheets and stay that way for another hour or two. He took Turkish baths, mineral baths. He drank vile concoctions of raw egg, charcoal, warm water, and turpentine, and there were dozens of people along Canal Street who had seen him come striding through his front gate, cross the canal bridge, and drink water “copiously”—gallons it seemed—from the old fountain beside the
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