Frank Lloyd Wright is among the most innovative architects this county ever produced. But his fame wasn't limited to the United States. About 70 years ago, Japan asked Wright to design a hotel for Tokyo that would be capable of surviving an earthquake. When the architect visited Japan to see where the Imperial Hotel was to be built, he was appalled to find only about eight feet of earth on the site. Beneath that was 60 feet of soft mud that slipped and shook like jelly. Every test hole he dug filled up immediately with water. A lesser man probably would have given up right there. But not Frank Lloyd Wright. Since the hotel was going to rest on fluid ground, Wright decided to build it like a ship. Instead of trying to keep the structure from moving during a quake, he incorpo…