 He probably is better known in Scandinavia, where he used to be among the most famous detective writers, although his reputation is fading there as well.A few of Quentin's stories have been filmed (see below), most notably the Peter Duluth mystery "Black Widow", which was filmed under that title by Twentieth Century Fox in 1954 as a color Cinemascope feature.Van Heflin portrayed the Peter Duluth character, who for some reason was renamed Peter Denver.