Harald Edelstam earned the nickname that was in reference to the novel by whom?
Harald Edelstam:  During World War II he earned the nickname "Svarta nejlikan" ("the Black Pimpernel," a reference to the Scarlet Pimpernel) for helping SOE agents and saboteurs escape from the Germans. The Scarlet Pimpernel: The Scarlet Pimpernel is the first novel in a series of historical fiction by Baroness Orczy set during the Reign of Terror following the start of the French Revolution, first published in 1905.
Baroness Orczy