[1] Emmert served in the First World War, working at a British military general hospital in France for twenty-two months.
While at Harvard, Emmert was a research student working under Felix Frankfurter, later an associate justice of the United States Supreme Court.
That same year, amid the Second World War, Emmert assisted in the foundation of the Indiana State Guard, serving as the first commanding officer of the First Battalion, Fourth Regiment.
Emmert began living in his office in the Indiana Statehouse in order to avoid having to travel back to Shelbyville.
[1] After leaving the court, Emmert returned to Shelbyville and began practicing law in partnership with James M.
[2] The Shelbyville branch of the Fraternal Order of Police named a local pistol range in honor of Emmert.