sentences:  Sigmund Mowinckel was educated at the University of Oslo (1908; ThD 1916) and from 1917 onward he was a lecturer there.He retired in 1954.From the 1920s, Mowinckel headed a school of thought concerning the Book of Psalms which sometimes clashed with the Form criticism conclusions of Hermann Gunkel and those who followed in Gunkel's footsteps.