The 19th-century writer who authored "Moby-Dick" is Herman Melville. This iconic novel explores themes of obsession, revenge, and the human condition through the journey of Captain Ahab and his pursuit of the elusive whale. Melville’s work reflects complex narrative structures and deep philosophical inquiries, elevating it beyond mere adventure tale. Initially met with mixed reviews, "Moby-Dick" has since gained recognition as a classic of American literature, influencing countless writers and prompting discussions on existential themes and the struggle against nature.