Austrian pianist, writer and composer. Vienna, August 31, 1879; New York, December 13, 1964. She was the daughter of the painter Emil Jakob Schindler and studied the piano under Josef and composition under Alexander von Zemlinski. In 1902 when she married Gustav Mahler, who was opposed to her composing, she had written about a hundred songs, but only near the end of his life did he hear them and realise the error of his opposition. He was sufficiently penitent to help her edit and publish...