Joan Kahn was a New York City-based American author, anthologist, and editor who became one of the most influential figures in mystery and suspense publishing. She earned the titles "doyenne of suspense" and "publishing's grande dame of detective stories" for her editorial expertise and vision. Kahn came to prominence during her extended tenure at Harper & Brothers from 1946 to 1980, where she created and oversaw the longstanding "Harper Novel of Suspense" series. During this period, she established the Joan Kahn imprint, which quickly became a highly sought-after mark of quality among mystery connoisseurs and serious readers of the genre. Throughout her career, Kahn signed and championed many celebrated authors who would become major figures in mystery and suspense fiction, including John Creasey, Patricia Highsmith, Julian Symons, Dick Francis, and Tony Hillerman. Her editorial judgment and commitment to the genre helped shape the landscape of American mystery publishing for decades.