Franz Xaver Richter
Franz Xaver Richter Franz (Czech: František) Xaver Richter, known as François Xavier Richter in France[1] (December 1, 1709 – September 12, 1789) was an Austro-Moravian[2] singer, violinist, composer, conductor and music theoretician who spent most of his life first in Austria and later in Mannheim and in Strasbourg, where he was music director of the cathedral..