The author who created the character Holden Caulfield in "The Catcher in the Rye" is J.D. Salinger. Salinger’s portrayal of Holden encapsulates themes of alienation, adolescence, and the search for identity. Through Holden’s journey, Salinger examines the complexities of teenage life during the post-war era, reflecting societal challenges and personal struggles. The novel’s impact on readers has solidified Holden as an iconic literary figure, representing the universal quest for connection and understanding in a seemingly indifferent world.