German baritone Eduard Habich as Klingsor in Parsifal. He sang principally at the Berlin Royal Opera (1910-30). He made many appearances at Covent Garden in the 1920s, and appeared at the Metropolitan Opera in 1935 where he sang for two seasons. American bass Allen Hinckley (1877-1954) as King Heinrich in Lohengrin. He trained in New York under Oscar Saenger. He made his debut (1903) at the Hamburg Opera. He was a member of the Metropolitan Opera (1908-14) and an accomplished guest at the Bayreuth Festivals (1906-08). Sebestian Hofmüller as David. Emilie Herzog (-Welti) (Ermatingen: 1859 - 1923) as Nedda in Pagliacci. German soprano, taught by Karl Gloggner and Adolf Schimon. Created Louise Mauclair in Heirat Wider Willen (Humperdinck) and Drolla in Die Feen (Wagner).(22) German lyric tenor Heinrich Hensel: (Neustadt: 29 Oct 1874 - Hamburg: 23 Feb 1935). He studied in Vienna and Frankfurt and made his début (1897) at Freiburg, remaining a member of the ensemble there until 1900. After engagements at Frankfurt, where he created the Prince in Humperdinck’s Dornröschen (1902), and Wiesbaden, he became the leading Heldentenor at the Hamburg Opera (1912–29). He was chosen by Siegfried Wagner to create the tenor lead in Banadietrich (1910, Karlsruhe) and to sing Parsifal at Bayreuth, where he also sang Loge (1911–12). He also appeared at the Metropolitan Opera, in Chicago, and at Covent Garden (1911-1914), where he sang Parsifal in the first staged London production (1914).Belgian soprano Fanny Heldy [nee Marguerite Virginie Emma Clémentine Deceuninck] (Ath [some sources say Liége]: 29 Feb 1888 - 13 Dec 1973). Attended the Liége Conservatoire and then performed as a guest artist in Ghent before making her Monnaie (26 Nov 1910) debut as a substitute in Ivan le Terrible. Between 1914 and 1925 she sang a number of memorable roles at the Monte-Carlo opera. Her first Paris appearance was at the Opéra-Comique (1917) as Violetta (Traviata). In 1923 Fanny Heldy made the historic first recording of the opera Manon for Pathé Records. She is buried in the Cimetière de Montmartre.Austrian bass-baritone Georg Hann (1897-1950) as the baker Fritz Kothner in Meistersinger. He created La Roche in Strauss's Capriccio. He was best known for his tastefully exaggerated characterizations. His first-rate voice was heard principally at the Staatsoper in Munich, which he joined in 1927, and the Salzbourg Festivals.
Danish tenor Vilhelm Herold (1865-1937) made his debut (1893) as Faust at the Royal Danish Theater in Copenhagen. He appeared in Stockholm, London, Hamburg, Berlin, Prague, and Stuttgart, among other cities. In Oslo (1913) he was Pedro in a performance of Tiefland in which Flagstad made her operatic debut as Nuri. Although his voice was trained in the French repertory, he spent the majority of his career in Scandinavia and Germany singing German roles. After his retirement he served as Director of the Royal Danish Theater (1922-24), where his career had begun. As a vocal teacher, Herold was responsible for retraining Lauritz Melchior's voice from baritone to tenor. His voice was often compared to Jean de Reszke's. Seen here as Lohengrin. Bohemian bass Willy Hesch (1860-1908). He made his debut (1880) with the Prague National Opera as Plumkett in Flotow's Martha. He had an expressive voice which was beautifully managed. He died at the pinnacle of his career, some say as a result of an overindulgence in food and alcohol.