Sherlock Holmes such that many have believed him to be not a fictional character but a real individual; numerous literary and fan societies have been founded that pretend to operate on this principle. Widely considered a British cultural icon, the character and stories have had a profound and lasting effect on mystery writing and popular culture as a whole, with the original tales as well as thousands written by authors other than Conan Doyle being adapted into stage and radio plays, television, films, video games, and other media for over one hundred years. Edgar Allan Poe's C. Auguste Dupin is generally acknowledged
C. Auguste Dupin deduces what his friend is thinking despite their having walked together in silence for a quarter of an hour, Holmes remarks: "That trick of his breaking in on his friend's thoughts with an apropos remark... is really very showy and superficial"; nevertheless, Holmes later performs the same 'trick' on Watson in "The Adventure of the Cardboard Box". Dupin next appears in a series of seven short stories in "Ellery Queen's Mystery Magazine" by Michael Harrison in the 1960s. The stories were collected by the Publishers Mycroft & Moran in 1968 as "The Exploits of Chevalier Dupin". The stories include "The