Sir Arthur Conan Doyle 
The Great Keinplatz Experiment (Illustrated) 

11 Stories from Sir Arthur Conan Doyle The Brown Hand—The Usher of Lea House School—B. 24—The Great Keinplatz Experiment—Cyprian Overbeck Wells—Playing with Fire—The Ring of Thoth—The Los Amigos Fiasco—How It Happened—Lot No. 249—’De Profundis’—The Lift Sir Arthur Ignatius Conan Doyle KSt J, DL (22 May 1859 – 7 July 1930) was a Scottish physician and writer who is most noted for his fictional stories about the detective Sherlock Holmes, which are generally considered milestones in the field of crime fiction. He is also known for writing the fictional adventures of a second character he invented, Professor Challenger, and for popularising the mystery of the Mary Celeste.[1] He was a prolific writer whose other works include fantasy and science fiction stories, plays, romances, poetry, non-fiction, and historical novels.