In 1910, he was again briefly in Partenkirchen, after which he lived for three years in southern Africa, where he worked on altar figures for Boer churches, and cabinets and door panels for farm-houses.
In 1917, he was appointed by Bruno Paul to head the wood and stone sculpture class at the educational institutions of the Berlin Museum of Decorative Arts.
In 1924, with the union of the higher schools of art, Hitzberger moved to Charlottenburg as head of a training workshop for wood and stone sculpture.
He also took on the difficult technical part of the a giant statue of Christ by Ludwig Gies, who, after the partial destruction by citizen of Lübeck, was again restored by the maintenance department of the trade show in Munich.
After the war, he developed in Garmisch-Partenkirchen, a late work, which is characterized by unusual vitality and superior wisdom and religiousness.