What is Hervé's real name?
Hervé's real name is Louis-Auguste-Florimond Ronger.
Louis-Auguste Florimond Ronger (30 June 1825 – 3 November 1892), who used the pseudonym Hervé, was a French singer, composer, librettist, conductor and scene painter, whom Ernest Newman, following Reynaldo Hahn, credited with inventing the genre of operetta in Paris.
Source: Wikipedia: Hervé (composer)



