"Not to be confused with Dave Duncan, the Canadian fantasy novelist. For others of similar name, see David Duncan.David Duncan (February 17, 1913 \u2013 died December 27, 1999, Everett, Washington) was an American screenwriter and novelist.He began writing professionally at the age of 33 after about ten years in government. His screenwriting career began in 1953 with the release of his first film and Paramount's first 3-D film, Sangaree."@en . "1913Z"^^ . "Duncan, David"@en . "American screenwriter" . "1999-12-27Z"^^ . "1999Z"^^ . "1913-02-17Z"^^ .