#Richard_Wagner, b. Leipzig 1813, d. Venice 1883. A preeminent 19th century opera composer best known for Lohengrin, Tristan and Isolde, and The Ring Cycle. Among his lesser works is #Oberion, an operetta with a libretto adapted by #Sir_Tamburlaine_Bryce_MacGregor from his poem ‘Lays of Brigadoon’.