(Georg) Herman Fiedler (1862-1945) married 1899 Ethel Mary Harding, daughter of Charles Harding who was the son of William Sextus Harding.
He was born in Zittau, Germany, a German scholar renowned for his efforts to promote a strong intercultural relationship between Germany and Britain. He was elected to the German professorship at Mason College (which later became the University of Birmingham) in October 1890 and played a major part in the reorganisation of the university and the creation of the school of modern languages in 1903. In July 1907, Fiedler was appointed to the new chair of German at Oxford. In his role as chairman of the faculty board, Fiedler played a leading role in the establishment of the honour school of modern languages. In 1926 he became secretary to the curators of the Taylor Institution in Oxford. In this position, he dedicated himself to the improvement of the Taylor Institution Library and supervised the erection of the Taylor extension, which was opened by the Prince of Wales in 1932.
From 1912 to 1914 Herman Fiedler was tutor to the Prince of Wales (who became Edward VIII in 1936 and following his abdication, Duke of Windsor). He accompanied him to Germany during the spring and summer of 1913. The 1st World War broke out a year later, on 28.7.14. The Prince of Wales was the great grandson of Queen Victoria and son of George V. Victoria “Vicky” who was Queen Victoria’s eldest child had married Frederick III the German Emperor and their son became Wilhelm II and was Emperor of Germany at the outbreak of war between England and Germany .
He had two daughters, the older of whom, Herma left his papers including his wife's diaries to the Taylorian and to Birmingham university.
There is a (subscription only) biography of Herman Fiedler in the Oxford Dictionary of National Biography
See this site "Main incidents in the married life of Hermann Georg Fiedler and Ethel Mary Fiedler" - which contains her diaries held at the Taylorian
Edward Elgar, Charles Harding, Richard Peyton and Herman Fiedler re Elgar's professorship at Birmingham University
See below extracts from a website giving a Timeline for Edward Elgar and the link itself.