Alphonse Daudet
Ferdinand Bac's friends and acquaintances included Adolphe Thiers, Léon Gambetta, Richard Wagner, Victor Hugo, Hippolyte Taine, Auguste de Villiers de L'Isle-Adam, Paul Verlaine, Maurice Barrès, Jules Barbey d'Aurevilly, Alphonse Daudet, Guy de Maupassant, Giuseppe Verdi, Charles Gounod and Pierre de Nolhac.