Edmund L. Gruber
Edmund Louis Snitz Gruber was an artillery officer and general in the United States Army who also gained popularity as composer of military music. He served as Commandant of the Command and General Staff College from October 1940 to May 1941.
Edmund Louis Gruber was born in Cincinnati, Ohio. His family had a musical background. His ancestor, Franz Gruber, composed the music to the classic Christmas song Silent Night.
Source: Wikipedia