Isaac, Adèle, French soprano; b. Calais, Jan. 8, 1854; d. Paris, Oct. 22, 1915. She studied with Duprez in Paris, making her debut at the Théâtre Montmartre in Paris in 1870 in Noces de Jeannette. She then sang at the Paris Opéra-Comique (1873; 1878-88) and the Paris Opéra (1883-85), retiring from the stage in 1894. She was noted for her performances of French operatic roles.
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire