For Gustav Mahler (1860-1911) composing endowed the creative mind with privileged insight into the profound questions of human existence. Thus, in pursuing his artistic vision, Mahler felt compelled to confront the philosophical issues that captured the imagination of his day. The dissertation examines Mahler\u27s Third Symphony from this fundamental perspective by relating the composer\u27s ideas about the work to the thinking and artistic endeavors of his contemporaries. The aim is not to attribute Mahler\u27s ideas to any particular source, but to demonstrate how programmatic tendencies and musical gestures in the work reflect concerns common to a generation of thinkers at the turn of the century. The first section of the dissertation pr...