This is the first-hand account of a young couple who in 1936 challenged Wright to produce a decent house for $5,000. Wright responded with the innovationsfloor heating, flat roof, concrete floor, solid walls, grouping of utilities, carport, seclusion from the street but openness to a garden through banks of door windowsthat made their house the revolutionary Usonia Number One. Within five years the Jacobs moved to the country, where Wright designed the Solar Hemicycle, which featured a windfoil design and the passive solar construction that became the prototype for such buildings. The 89...