 Dr. Hoffmann spent the early years of his career as an instructor, professor and director of the choir at Bethany Lutheran College in Mankato, Minnesota; the University of Minnesota in Minneapolis-St. Paul; and Concordia Collegiate Institute in Bronxville, New York.In 1948, he helped found The Lutheran Church–Missouri Synod (LCMS) Department of Public Relations in New York City and served as its director until 1963.Dr.