Narcís Oller i de Moragas (Catalan pronunciation: [nəɾˈsiz uˈʎe]; 10 August 1846, in Valls – 26 July 1930, in Barcelona) was a Catalan writer, most noted for the novels La papallona (The Butterfly) which appeared with a foreword by Émile Zola in the French translation; his most well-known work L'Escanyapobres (The Usurer); and La febre d'or (Gold Fever) which is set in Barcelona during the period of promoterism. His novel La bogeria has been translated into English by Douglas Suttle under the title The Madness, published by Fum d'Estampa Press, 15 September 2020. He also translated the works of Tolstoy and Dumas. Source: Wikipedia (en)