1894-1961. US crime novelist. His works, The Maltese Falcon 1930, The Glass Key 1931, and the The Thin Man 1932, introduced the `hard-boiled' detective character into fiction. Hammett was a former Pinkerton detective agent. In 1951 he was imprisoned for contempt of court for refusing to testify during the McCarthy era of anticommunist witch hunts. He lived with the playwright Lillian Hellman for the latter half of his life.