For almost three-quarters of a century, as a critic and curator beginning in 1930s, and as a practicing architect since the 1940s, Philip Johnson has been at the center of modern architecture's development. His celebrated Glass House, built in 1949 in New Canaan, Connecticut -- a crystallization of Johnson's commitment to the high modernism of his mentor Mies van der Rohe -- is perhaps the single most famous house of the twentieth century. Until now,...