James L. FranklinChicago, Illinois, United States “The old Guaiacum test was very clumsy and uncertain.”— A Study in Scarlet, Arthur Conan Doyle, 1887 So declares Mr. Sherlock Holmes in Arthur Conan Doyle’s novel A Study in Scarlet, first published in Beeton’s Christmas Annual 1887, and then as a book in July 1888 published by Ward,…