"British chemist" . "Stewart, Alfred Walter"@en . "1947-07-01Z"^^ . "1947Z"^^ . "1880Z"^^ . "Alfred Walter Stewart (September 1880 \u2013 1 July 1947) was a British chemist and part-time novelist who wrote seventeen detective novels and a pioneering science fiction work between 1923 and 1947 under the pseudonym of JJ Connington. He created several fictional detectives, including Superintendent Ross and Chief Constable Sir Clinton Driffield."@en .