Tracy Chevalier and Dashiell Hammett, have which shared nationality?
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").
Sheridan Morley Sheridan Morley (5 December 1941, Ascot, Berkshire − 16 February 2007, London) was an English author, biographer, critic and broadcaster. He was the official biographer of Sir John Gielgud and wrote biographies of many other theatrical figures he had known, including Noël Coward. Nicholas Kenyon called him a "cultural omnivore" who was "genuinely popular with people".