America's most famous architect, Frank Lloyd Wright, was born in 1867 in the rolling hills of Richland Center, Wisconsin, to a family of Unitarians. Even with world-class commissions like New York City's Guggenheim Museum, his organic architecture remains rooted in Wisconsin's landscape, from affordable-housing prototypes in Milwaukee to his summer home and architecture school in rural Spring Green. This comprehensive guide to Wright's designs (and those of his prot