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".
Dashiell Hammett Samuel Dashiell Hammett ( ; May 27, 1894 – January 10, 1961) was an American author of hard-boiled detective novels and short stories, screenwriter, and political activist. Among the enduring characters he created are Sam Spade ("The Maltese Falcon"), Nick and Nora Charles ("The Thin Man"), and the Continental Op ("Red Harvest" and "The Dain Curse").