French musicologist and biographer of Gustav Mahler, Henry-Louis de La Grange dies last Friday. La Grange was born in Paris in 1924 of an American mother and a French father. He studied the humanities in Paris and New York and literature at Aix-en-Provence University and at the Sorbonne.From 1946 to 1947 he studied at the Yale University School of Music and subsequently, from 1948 until 1953, privately in Paris – piano under Yvonne Lefébure and harmony, counterpoint, and analysis under Nadia Boulanger. La Grange began working as a music critic. The first volume of his Mahler biography was published in 1973. He was soon universally recognized as the greatest Maler specialist in the world.