The Diamond Queen's creator was an American journalist who is best known for writing short detective stories featuring who?
Jacques Futrelle Jacques Heath Futrelle (April 9, 1875 – April 15, 1912) was an American journalist and mystery writer. He is best known for writing short detective stories featuring Professor Augustus S. F. X. Van Dusen, also known as "The Thinking Machine" for his application of logic to any and all situations. Futrelle died in the sinking of the RMS "Titanic".
The Final Problem "The Final Problem" is a short story by British writer Arthur Conan Doyle featuring his detective character Sherlock Holmes. It was first published in "Strand Magazine" under the title "The Adventure of the Final Problem" in December 1893. It appears in book form as part of the collection "The Memoirs of Sherlock Holmes". Conan Doyle later ranked "The Final Problem" fourth on his personal list of the twelve best Holmes stories.