In her memoirs Alma drew Mahler as a sickly, cerebral recluse. Arnold Schoenberg called him a "saint." Leonard Bernstein, largely responsible for the Mahler "boom" in the Sixties, found a "secret shame" at the heart of Mahler's music, "the shame of being a Jew and the shame of being ashamed." But he was also skilled at behind-the-scenes politicking in Vienna and