Baroness Emma Magdalena Rozália Mária Jozefa Borbála Orczy de Orci, usually known as Baroness Orczy, was a Hungarian-born British novelist and playwright. She is best known for her series of novels featuring The Scarlet Pimpernel, the alter ego of Sir Percy Blakeney, a wealthy English fop who turns into a quick-thinking escape artist in order to save French aristocrats from "Madame Guillotine" during the French Revolution, establishing the "hero with a secret identity" in popular culture. Vikipedi