Kurt Vonnegut was an influential American writer whose career spanned more than 50 years. He published numerous novels, short story collections, and essays, becoming a key figure in post-modern literature. His most famous work is the satirical anti-war novel Slaughterhouse-Five. Vonnegut's writing is celebrated for its unique blend of satire, black comedy, and science fiction, often exploring themes of free will, technology, and the human condition.