Bishop Dominic Mary Hồ Ngọc Cẩn
Bishop Dominic Mary Hồ Ngọc Cẩn built an additional four primary schools in Huế, he assigned the administration and teaching to the monks of the Order of the Sacred Heart. He established the printing house "Trường An" which specialized in printing books and documents containing the Catechism and the teachings of the Catholic Church in the  Archdiocese of Huế.