Samuel Dashiell Hammett was an American author of hard-boiled detective novels and short stories, a screenplay writer, 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).

In addition to the significant influence his novels and stories had on film, Hammett is now widely regarded as one of the finest mystery writers of all time and was called, in his obituary in The New York Times, "the dean of the... 'hard-boiled' school of detective fiction." Time magazine included Hammett's 1929 novel Red Harvest on a list of the 100 best English-language novels published between 1923 and 2005.