Ludwig [Louis, Luis] Rotter (06/09/1810 - 05/04/1895), an Austrian Choir conductor, composer, teacher and organist, instructed at an early age on the violin, pianoforte, and organ, afterwards studied harmony and counterpoint, and began his musical career by teaching. Almni 1832 he became organist of the parish church Am Hof, then also at the university church, and in 1841 professor of harmony, thorough-bass, and organ at the Vienna Kirchenmusik-Verein. Two years later lie was made choir director in the two aforementioned churches, in 1858 member of the court chapel, in 1862 second, and in 1867 first court organist, finally in 1870 Hofkapellmeister. Works: 1-4 masses; 2 Requiems ; about 30 graduate ; 20 offertories ; Te Deum ; Veni sancte ; Regina coeli ; Adorna thalamum ; Fugues, sonatas, etc., for pianoforte.