Once the war ended, the return to normality between Oriel and Somerville was delayed, sparking both frustration and an incident in spring 1919 known as the "Oriel raid", in which male students made a hole in the wall dividing the sexes. In July 1919 the principal (Emily Penrose) and fellows returned to Somerville. Alumna Vera Brittain wrote about the impact of the war in Oxford and paid tribute to the work of the principal, Miss Penrose, in her memoir "Testament of Youth".