Kurt Vonnegut Dies at 84 Kurt Vonnegut, considered a key figure in 20th-century American literature, died April 11 at 84. He had suffered brain injuries resulting from a recent fall at his Manhattan home, said his wife, photographer Jill Krementz. Vonnegut's more than a dozen books, short stories, essays, and plays, including Slaughterhouse-Five, Cat's Cradle, and most recently A Man Without a Country -- offered elements of social commentary, science fiction, and autobiography via dark humor and satire.