When Mrs. August Belmont died in 1979, just before her 100th birthday, she was remembered as a philanthropist and advocate for the arts, especially the Metropolitan Opera--but before her triumphs as Mrs. Belmont, she had dignified the American stage for 13 glorious years as Eleanor Robson, actress. Her splendid voice, understated style, and always-evident intelligence thrilled legions of theatregoers and enthralled the best playwrights of her...