Gustav Mahler, an Austrian late-Romantic composer born in 1860, is celebrated for his profound and emotionally charged symphonies that expanded the boundaries of classical music. Known for his innovative orchestration and deep philosophical themes, Mahler's works often reflect his personal struggles and the human condition. His compositions, such as the monumental Symphony No. 2 "Resurrection" and the poignant Symphony No. 9, are staples of the orchestral repertoire, offering listeners a journey through intense emotional landscapes. Mahler's legacy endures as a pivotal figure in the transition from the Romantic to the modern era, leaving an indelible mark on classical music.