Joseph Allan Elphinstone Dunn (21 January 1872 – 25 March 1941), best known as J. Allan Dunn, was one of the high-producing writers of the American pulp magazines. He published well over a thousand stories, novels, and serials from 1914–41. He first made a name for himself in Adventure. At the request of Adventure editor Arthur Sullivant Hoffman, Dunn wrote Barehanded Castaways, a novel about people trapped on a desert island which was intended to avoid the usual cliches of such stories. Barehanded Castaways was serialised in 1921 and was well received by Adventure's readers. Well over half of his output appeared in Street & Smith pulps, including People's, Complete Story Magazine, and Wild West Weekly. Dunn wrote over a thousand stories. He wrote approximately 470 stories for Wild West Weekly alone. His main genres were adventure and western; although he did write a number of detective stories, most of them appearing in Detective Fiction Weekly and Dime Detective. Dunn wrote The Treasure of Atlantis, a science fiction story about survivals from Atlantis living in the Brazilian jungle. The Treasure of Atlantis was published in All-Around Magazine in 1916 and later reprinted in 1970. He was a specialist in South Sea stories, and pirate stories. He also published a lot of juvenile fiction; including many stories for Boys' Life, primarily in the 1920s. A number of his novel-length stories were reprinted in hardbound, some under the pen name "Joseph Montague" for Street & Smith's Chelsea House imprint; many of his books were issued in the United Kingdom. His stories were frequently syndicated in newspapers, both in America and around the world, making him, for a time, a very widely known author.