Denounced as a charlatan and f ted as a mystic, French artist Yves Klein (1928-62) scandalized the art world with his enthusiastic embrace of postwar mass culture and his exploitation of controversial publicity tactics. Today, we know Yves Klein not only as one of the most radical artists of the postwar period, but also as an iconic role model for contemporary practices--he reinvented abstract painting, conceived new horizons for performance art,...