At the turn of the 20th century, Vienna was one of the most exciting cities on earth--the central gathering spot of the European avant-garde in art, architecture, literature, music, journalism, philosophy, psychiatry, and theater. The dynamic cross-pollination among the revolutionary figures involved--Klimt, Kokoschka, the Wiener Werkstatte, Mahler, Freud, Wittgenstein, and many more--turned the A...