October 1883. He became Provinzialschulrat in Koblenz in 1885, responsible for teacher training and school equipment in the Rhine Province. Deiters carried out his duties with great commitment and considerable success, and received several awards: in 1891 he was appointed Geheimrat, and later he received the Order of the Crown and the Order of the Red Eagle, 2nd Class. For health reasons, Deiters retired on 1 October 1903, and he died in Koblenz on 11 May 1907 at the age of 73. Deiters was married first to Agnes Burkart, who died in 1884, and from 1886 to Sibylla Heimsoeth, the daughter of the philologist and musicologist . The two marriages produced seven children. Academic work In addition to his work in the Prussian teaching profession, Deiters was engaged in scientific work. His early works dealt with topics of Greek mythology, especially the cult of Muses. However, the main focus of his research became the music itself, which Deiters had been involved with since his childhood. He abandoned his plan to become a composer or pianist before he began his studies, but the history, development and practice of music occupied him throughout his life. At the beginning of his career, Deiters wrote music reviews and reports for various newspapers and magazines, including the Allgemeine musikalische Zeitung. He venerated Mozart, Beethoven, and Schumann, and of contemporary composers especially Johannes Brahms, who was his close friend from the 1860s. He rigorously rejected Wagner and his massive innovations in musical practice. After the death of his teacher Otto Jahn, he revised his biography of Mozart, which was published in third and fourth editions in 1889 and 1905 respectively. He also corresponded with the American researcher Alexander Wheelock Thayer, who was working on a major Beethoven biography. Deiters translated the work into German and accompanied the publication of the first three volumes (1866, 1872, 1879). The German edition of this biography was particularly important because the English original had not yet been published. After Thayer's death (1897), his heirs commissioned Deiters to publish the rest of the work. Publications The publications by Deiters include: De mancipationis indole et ambitu. 1854 (dissertation in law) De Hesiodia scuti Herculis descriptione. 1858 (philological dissertation) De Hesiodi theogoniae prooemio. 1863 (program of the Königliches Gymnasium zu Bonn) Das philologische Studium in Bonn. Von einem rheinischen Schulmanne. Cologne 1865 Über die Verehrung der Musen bei den Griechen. Bonn 1868 De