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. Jacques Futrelle:  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.
i don't know