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".
Linda O. Johnston Johnston’s first published fiction appeared in "Ellery Queen's Mystery Magazine" and won the Robert L. Fish Memorial Award for Best First Mystery Short Story of the Year. Since then, she has had several more short stories published as well as numerous romance novels.