Sir Arthur Ignatius Conan Doyle (22 May 1859 – 7 July 1930) was a Scottish writer and physician, most noted for his fictional stories about the detective Sherlock Holmes, which are generally considered milestones in the field of crime fiction. “The Parasite” is a novel released in 1894 by Sir Arthur Conan Doyle. Plot: The main character is a young man known as Austin Gilroy. He studies physiology ...