Frank Lloyd Wright was renowned during his life not only as an architectural genius but also as a subject of controversy--from his radical design innovations to his turbulent private life, including a notorious mass murder that occurred at his Wisconsin estate, Taliesin, in 1914. But the estate also gave rise to one of the most fascinating and provocative experiments in American cultural history: the Taliesin Fellowship, an extraordinary architectural colony where Wright trained hundreds of devoted apprentices and where all of his late masterpieces--Fallingwater, Johnson Wax, the...