The four Tantum ergo are settings of the hymn "Tantum ergo" composed by a composer of what nationality?
Anton Bruckner Josef Anton Bruckner (] ; (1824--)04 1824 (1896--)11 1896 ) was an Austrian composer best known for his symphonies, masses, and motets. The first are considered emblematic of the final stage of Austro-German Romanticism because of their rich harmonic language, strongly polyphonic character, and considerable length. Bruckner's compositions helped to define contemporary musical radicalism, owing to their dissonances, unprepared modulations, and roving harmonies.
Gottfried Wilhelm Sacer Gottfried Wilhelm Sacer (11 July 1635 – 8 September 1699) was a German jurist, poet, satirist and Protestant hymn writer. He worked as an advocate at the court of Wolfenbüttel. Johann Sebastian Bach used a stanza from his hymn "Gott fähret auf gen Himmel " to conclude his "Ascension Oratorio".